Structure 180570237402493 · Dallas County, TX

Towne Centre DR WB over IH 635

Carries Towne Centre DR WB over IH 635, 0.65 Mi N Of US 80.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure8/9 · Very Good
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT235 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 8/9Substructure 6/9 · sets the rating

235 ft end to end, longest span 125 ft: about 3 semi-trucks nose to tail. 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.

Built200422 years old
Length234.9 ft71.6 m
Daily traffic7,711counted 2019
Last inspectedJune 2023every 48 months

Location

StateTexas
CountyDallas
Location0.65 Mi N Of US 80
CarriesTowne Centre DR WB
CrossesIH 635
Coordinates32.80227, -96.62614

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length234.9 ft (71.6 m)
Max Span125.0 ft (38.1 m)
Deck Width68.9 ft (21 m)
Deck Area1503.6 sq m
Main Spans2
Year Built2004

Traffic

Avg Daily Traffic7,711 (2019)
Lanes On Bridge4
Lanes Under Bridge12

Inspection & Ownership

Last InspectionJune 2023
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number180570237402493

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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