Structure 180570058101022 · Dallas County, TX

Lp 12 over Bnsf Railroad

Carries Lp 12 over Bnsf Railroad, 0.10 Mi SW Of IH 45.

Overall conditionFair

Set by its lowest-rated component: Superstructure and Substructure at 6 of 9.

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT125 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 6/9 · sets the rating

125 ft end to end, longest span 50 ft. 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.

Built1953rebuilt 1975
Length125.0 ft38.1 m
Daily traffic26,510counted 2022
Last inspectedMay 2024every 24 months

Location

StateTexas
CountyDallas
Location0.10 Mi SW Of IH 45
CarriesLp 12
CrossesBnsf Railroad
Coordinates32.70113, -96.75304

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length125.0 ft (38.1 m)
Max Span49.9 ft (15.2 m)
Deck Width112.9 ft (34.4 m)
Deck Area1310.6 sq m
Main Spans3
Year Built1953 (reconstructed 1975)

Traffic

Avg Daily Traffic26,510 (2022)
Truck Traffic4%
Lanes On Bridge6

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour CriticalNot applicable
Structure Number180570058101022

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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