Structure 180570237401556 · Dallas County, TX

Ih-635 Wbml over White Rock Creek

Carries Ih-635 Wbml over White Rock Creek, 1.2 Mi W Of Us75.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT593 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

593 ft end to end, longest span 60 ft: about 1.6 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.

Built201313 years old
Length592.8 ft180.7 m
Daily traffic96,500counted 2013
Last inspectedMay 2023every 24 months

Location

StateTexas
CountyDallas
Location1.2 Mi W Of Us75
CarriesIh-635 Wbml
CrossesWhite Rock Creek
Coordinates32.92443, -96.78138

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length592.8 ft (180.7 m)
Max Span60.0 ft (18.3 m)
Deck Width135.8 ft (41.4 m)
Deck Area7481.0 sq m
Main Spans10
Year Built2013

Traffic

Avg Daily Traffic96,500 (2013)
Truck Traffic10%
Lanes On Bridge8
Lanes Under Bridge5

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number180570237401556

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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