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I-Girder

1 page · 4 crops · ×19 · superstructure

Matched toMain Girderbridge.superstructure.main_load_system.girdercheckon “I-Girder”

1 read off the drawings · 4 not established
The class asks forValueHowFrom
Span LengthL_spanwants m/mmnot establishedNo longitudinal I-girder span dimension is stated in any provided crop.not found
Cross-sectional AreaAwants m2/mm2not establishedThe provided cross sections identify I-girders but give no I-girder section dimensions from which a cross-sectional area can be calculated.not found
Instance CountNwants count6 countThe cross-section object list explicitly identifies 6 I-girders.Both cited crops expressly identify the item as I-girder and state a count of 6. The separate section showing five generic girder-like supporting members does not identify those members as I-girders.readp5 · p05_r06 8 typp5 · p05_r06
Material TypeMATnot establishedNo material is stated for the I-girders in the provided readings. Reinforcing-steel material notes apply to reinforcement bars, not to the girders.not found
MassMwants kg/tnot establishedNo I-girder mass, unit mass, volume, density, or sufficient section and length information is provided to establish mass.not found

Worked out by openai/gpt-5.6-terra from the readings below, which are the source. A derived value shows its arithmetic — check it against the drawing before it is priced.

How the sheets named it

girder-like supporting members

Notes on the sheets that carry it

  • p5FENCE NOT SHOWN, TYP.
  • p5AT EQUAL SPACES
  • p51" DIAMETER PLAIN BAR
  • p5POUR EDGE BEAM FLUSH WITH OUTSIDE FACE OF BEAM, TYP.
  • p5NOTE: BEARING PADS NOT SHOWN
  • p55B-600 (2 BETWEEN EACH PAIR OF 400 BARS IN TOP OF SLAB OVER INTERMEDIATE BENTS)

Every crop it was read in — the drawing beside what the model took off it

Page 5

crop

p05_r05 section thru slab

page 5 · gdot_drawing_for_one_item_1d2aef44145e4a0fb4e1079a43f94de1_p05_r05_section_thru_slab
Original
p05_r05 section thru slab
{
  "view": "Section",
  "objects": [
    {
      "name": "slab",
      "tag": "",
      "shape": "continuous flat slab with slight transverse slope",
      "material": "",
      "count": 1,
      "note": "Section is titled SECTION THRU SLAB."
    },
    {
      "name": "edge parapet/barrier",
      "tag": "",
      "shape": "tapered vertical profile on slab edge",
      "material": "",
      "count": 2,
      "note": "One is shown at each outer edge of the slab."
    },
    {
      "name": "girder-like supporting members",
      "tag": "",
      "shape": "repeated flanged rectangular sections",
      "material": "",
      "count": 5,
      "note": "Five repeated sections are visible below the slab; no member type or material is printed in this crop."
    },
    {
      "name": "reinforcement bars",
      "tag": "403A",
      "shape": "linear bars",
      "material": "",
      "count": 7,
      "note": "Called out as 7-403A AT EQUAL SPACES."
    },
    {
      "name": "reinforcement bars",
      "tag": "507A",
      "shape": "linear bars",
      "material": "",
      "count": 4,
      "note": "Two separate callouts each read 2-507A."
    },
    {
      "name": "reinforcement bars",
      "tag": "402A",
      "shape": "linear bars",
      "material": "",
      "count": 4,
      "note": "Called out as 4-402A."
    },
    {
      "name": "plain bar",
      "tag": "",
      "shape": "circular bar",
      "material": "",
      "count": null,
      "note": "Called out as 1\" DIAMETER PLAIN BAR."
    }
  ],
  "measurements": [
    {
      "label": "slab slope",
      "value": "2%",
      "unit": "%",
      "appliesTo": "slab"
    },
    {
      "label": "spacing dimension",
      "value": "5\"",
      "unit": "",
      "appliesTo": "403A reinforcement bars"
    },
    {
      "label": "spacing dimension",
      "value": "5\"",
      "unit": "",
      "appliesTo": "403A reinforcement bars"
    },
    {
      "label": "bar diameter",
      "value": "1\"",
      "unit": "",
      "appliesTo": "plain bar"
    }
  ],
  "notes": [
    "FENCE NOT SHOWN, TYP.",
    "AT EQUAL SPACES",
    "1\" DIAMETER PLAIN BAR"
  ],
  "labels": [
    "SECTION THRU SLAB",
    "SR 21 WB = PGL"
  ],
  "description": "This crop is a transverse section through a slab carrying a roadway profile identified as SR 21 WB = PGL. It shows a sloping slab with edge parapet/barrier profiles, five repeated supporting member sections below, and reinforcement callouts."
}

p05_r05 section thru slabSection

  • girder-like supporting members×5repeated flanged rectangular sectionsFive repeated sections are visible below the slab; no member type or material is printed in this crop.

2% % slab slope5" spacing dimension5" spacing dimension1" bar diameter

crop

p05_r06 8 typ

page 5 · gdot_drawing_for_one_item_1d2aef44145e4a0fb4e1079a43f94de1_p05_r06_8_typ
Original
p05_r06 8 typ
{
  "view": "Cross Section",
  "objects": [
    {
      "name": "bridge deck slab",
      "tag": "",
      "shape": "sloped rectangular slab",
      "material": "",
      "count": 1,
      "note": "Deck is shown with a 2% slope."
    },
    {
      "name": "edge beam",
      "tag": "",
      "shape": "rectangular",
      "material": "",
      "count": 2,
      "note": "Edge beams are at the outside faces of the exterior beams."
    },
    {
      "name": "barrier/parapet",
      "tag": "",
      "shape": "tapered",
      "material": "",
      "count": 2,
      "note": "One is visible at each deck edge."
    },
    {
      "name": "I-girder",
      "tag": "",
      "shape": "I-girder",
      "material": "",
      "count": 6,
      "note": "Supported on the stepped support below; bearing pads are noted as not shown."
    },
    {
      "name": "bent cap or beam support",
      "tag": "",
      "shape": "stepped rectangular",
      "material": "",
      "count": 1,
      "note": "Only the upper portion is visible in this crop."
    },
    {
      "name": "reinforcing bar",
      "tag": "I-509",
      "shape": "straight",
      "material": "",
      "count": null,
      "note": "Leader points to an upper longitudinal line within the girder/deck assembly."
    },
    {
      "name": "reinforcing bar",
      "tag": "I-508",
      "shape": "straight",
      "material": "",
      "count": null,
      "note": "Leader points to an upper longitudinal line within the girder/deck assembly."
    },
    {
      "name": "reinforcing bar",
      "tag": "I-802",
      "shape": "straight",
      "material": "",
      "count": null,
      "note": "Leader points to a lower longitudinal line within the girder/deck assembly."
    },
    {
      "name": "reinforcing bar",
      "tag": "I-801",
      "shape": "straight",
      "material": "",
      "count": null,
      "note": "Leader points to a lower longitudinal line within the girder/deck assembly."
    },
    {
      "name": "reinforcing bar",
      "tag": "2-800",
      "shape": "straight",
      "material": "",
      "count": null,
      "note": "Leader points to the top deck line."
    }
  ],
  "measurements": [
    {
      "label": "typical thickness/depth",
      "value": "8″",
      "unit": "",
      "appliesTo": "deck edge"
    },
    {
      "label": "spacing/end dimension",
      "value": "2″",
      "unit": "",
      "appliesTo": "8-404 at equal spaces callout"
    },
    {
      "label": "reinforcement quantity/callout",
      "value": "8-404",
      "unit": "",
      "appliesTo": "deck reinforcement"
    },
    {
      "label": "cross slope",
      "value": "2%",
      "unit": "",
      "appliesTo": "bridge deck slab"
    }
  ],
  "notes": [
    "FENCE NOT SHOWN, TYP.",
    "POUR EDGE BEAM FLUSH WITH OUTSIDE FACE OF BEAM, TYP.",
    "NOTE: BEARING PADS NOT SHOWN"
  ],
  "labels": [
    "AT EQUAL SPACES",
    "SR 21 WB = PGL"
  ],
  "description": "This crop shows a transverse bridge superstructure section, with a sloped deck carried by six I-girders on a stepped support below. Tapered barriers/parapets are shown at both outside deck edges; fence is called out as not shown, and bearing pads are also noted as not shown."
}

p05_r06 8 typCross Section

  • I-girder×6I-girderSupported on the stepped support below; bearing pads are noted as not shown.

8″ typical thickness/depth2″ spacing/end dimension8-404 reinforcement quantity/callout2% cross slope

crop

p05_r03

page 5 · other_p05_r03
Original
p05_r03
{
  "view": "Cross Section",
  "objects": [
    {
      "name": "deck slab",
      "tag": "",
      "shape": "rectangular, slightly sloping",
      "material": "",
      "count": 1,
      "note": "Reinforcement is shown in the slab."
    },
    {
      "name": "parapet/barrier",
      "tag": "",
      "shape": "tapered vertical profile",
      "material": "",
      "count": 1,
      "note": "Shown at the left deck edge."
    },
    {
      "name": "I-girder",
      "tag": "",
      "shape": "I-girder",
      "material": "",
      "count": 2,
      "note": "Visible below the deck slab."
    },
    {
      "name": "reinforcement bars",
      "tag": "5B-600",
      "shape": "linear bars shown in section as circles",
      "material": "reinforcing steel",
      "count": null,
      "note": "Callout identifies two between each pair of 400 bars in the top of slab over intermediate bents."
    },
    {
      "name": "reinforcement bars",
      "tag": "400 BARS",
      "shape": "linear bars shown in section as circles",
      "material": "reinforcing steel",
      "count": null,
      "note": "Referenced in the top-of-slab reinforcement callout."
    }
  ],
  "measurements": [
    {
      "label": "reinforcement designation",
      "value": "5B-600",
      "unit": "",
      "appliesTo": "top-of-slab reinforcement"
    },
    {
      "label": "bar designation",
      "value": "400",
      "unit": "",
      "appliesTo": "top of slab"
    }
  ],
  "notes": [
    "5B-600 (2 BETWEEN EACH PAIR OF 400 BARS IN TOP OF SLAB OVER INTERMEDIATE BENTS)"
  ],
  "labels": [],
  "description": "This crop is a bridge deck cross section showing a left-edge parapet/barrier, reinforced deck slab, and two I-girders below. It documents the placement callout for top-of-slab reinforcement over intermediate bents."
}

p05_r03Cross Section

  • I-girder×2I-girderVisible below the deck slab.

5B-600 reinforcement designation400 bar designation

crop

p05_r06

page 5 · other_p05_r06
Original
p05_r06
{
  "view": "Cross Section",
  "objects": [
    {
      "name": "deck slab",
      "tag": "",
      "shape": "sloped rectangular slab",
      "material": "",
      "count": 1,
      "note": "Carries a 2% cross slope."
    },
    {
      "name": "edge beam",
      "tag": "",
      "shape": "rectangular",
      "material": "",
      "count": 2,
      "note": "At each outside edge of the deck; called out to be poured flush with outside face of beam."
    },
    {
      "name": "parapet/barrier",
      "tag": "",
      "shape": "tapered",
      "material": "",
      "count": 2,
      "note": "One at each outside edge; fence is noted as not shown."
    },
    {
      "name": "I-girder",
      "tag": "",
      "shape": "I-girder",
      "material": "",
      "count": 6,
      "note": "Bearing pads are noted as not shown."
    },
    {
      "name": "support cap",
      "tag": "",
      "shape": "stepped rectangular",
      "material": "",
      "count": 1,
      "note": "Visible below the girders; extends beyond the crop."
    },
    {
      "name": "reinforcement bar",
      "tag": "8-404",
      "shape": "straight",
      "material": "steel",
      "count": 8,
      "note": "AT EQUAL SPACES."
    },
    {
      "name": "reinforcement bar",
      "tag": "2-800",
      "shape": "straight",
      "material": "steel",
      "count": 2,
      "note": ""
    },
    {
      "name": "reinforcement bar",
      "tag": "1-509",
      "shape": "straight",
      "material": "steel",
      "count": 1,
      "note": ""
    },
    {
      "name": "reinforcement bar",
      "tag": "1-508",
      "shape": "straight",
      "material": "steel",
      "count": 1,
      "note": ""
    },
    {
      "name": "reinforcement bar",
      "tag": "1-802",
      "shape": "straight",
      "material": "steel",
      "count": 1,
      "note": ""
    },
    {
      "name": "reinforcement bar",
      "tag": "1-801",
      "shape": "straight",
      "material": "steel",
      "count": 1,
      "note": ""
    }
  ],
  "measurements": [
    {
      "label": "Typical deck thickness",
      "value": "8\"",
      "unit": "\"",
      "appliesTo": "deck slab"
    },
    {
      "label": "End dimension",
      "value": "2\"",
      "unit": "\"",
      "appliesTo": "8-404"
    },
    {
      "label": "End dimension",
      "value": "2\"",
      "unit": "\"",
      "appliesTo": "8-404"
    },
    {
      "label": "Slope",
      "value": "2%",
      "unit": "%",
      "appliesTo": "deck slab"
    }
  ],
  "notes": [
    "FENCE NOT SHOWN, TYP.",
    "POUR EDGE BEAM FLUSH WITH OUTSIDE FACE OF BEAM, TYP.",
    "NOTE: BEARING PADS NOT SHOWN"
  ],
  "labels": [
    "SR 21 WB = PGL"
  ],
  "description": "This crop shows a transverse bridge cross section at the SR 21 westbound profile grade line. It depicts a sloped deck with exterior edge beams and tapered outside barriers over six I-girders, supported on a partially shown support cap."
}

p05_r06Cross Section

  • I-girder×6I-girderBearing pads are noted as not shown.

8" " Typical deck thickness2" " End dimension2" " End dimension2% % Slope