Structure 180570004707047 · Dallas County, TX

US 75 over White Rock Creek

Carries US 75 over White Rock Creek, 3.00 Mi N Of Lp 12.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT632 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

632 ft end to end, longest span 90 ft: about 1.8 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.

Built1950rebuilt 1980
Length631.9 ft192.6 m
Daily traffic187,971counted 2020
Last inspectedApril 2024every 24 months

Location

StateTexas
CountyDallas
Location3.00 Mi N Of Lp 12
CarriesUS 75
CrossesWhite Rock Creek
Coordinates32.90536, -96.76897

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length631.9 ft (192.6 m)
Max Span89.9 ft (27.4 m)
Deck Width168.0 ft (51.2 m)
Deck Area9861.1 sq m
Main Spans11
Year Built1950 (reconstructed 1980)

Traffic

Avg Daily Traffic187,971 (2020)
Truck Traffic7%
Lanes On Bridge10

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical8 — Stable, low risk
Structure Number180570004707047

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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