Structure 180570009214193 · Dallas County, TX

IH 45 SB Conn G over Good Latimer Canton Etc

Carries IH 45 SB Conn G over Good Latimer Canton Etc, At Ih30/ih345 Interchage.

Overall conditionFair

Set by its lowest-rated component: Substructure at 5 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructure7/9 · Good
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,227 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 7/9Substructure 5/9 · sets the rating

1,227 ft end to end, longest span 117 ft: about 3.4 football fields. Lengths and the semi-truck on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built197155 years old
Length1227.0 ft374 m
Daily traffic—reported figure implausible
Last inspectedApril 2024every 24 months

Location

StateTexas
CountyDallas
LocationAt Ih30/ih345 Interchage
CarriesIH 45 SB Conn G
CrossesGood Latimer Canton Etc
Coordinates32.78226, -96.78735

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length1227.0 ft (374 m)
Max Span117.1 ft (35.7 m)
Deck Width36.7 ft (11.2 m)
Deck Area4188.8 sq m
Main Spans12
Year Built1971

Traffic

Avg Daily Traffic84,500 (2016)
That is about 84,500 vehicles per lane per day — beyond what any U.S. road carries (the busiest freeways run about 25,000–30,000). It is almost certainly a data-entry error in the National Bridge Inventory, so we leave this bridge out of traffic rankings.
Truck Traffic17%
Lanes On Bridge1
Lanes Under Bridge17

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour CriticalNot applicable
Structure Number180570009214193

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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