Structure 180570237402432 · Dallas County, TX

IH 635 EB over Centerville RD

Carries IH 635 EB over Centerville RD, 2.6 Mi NW Of IH 30.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT199 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 6/9 · sets the ratingSubstructure 7/9

199 ft end to end, longest span 97 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.

Built196759 years old
Length199.1 ft60.7 m
Daily traffic93,760counted 2013
Last inspectedAugust 2023every 24 months

Location

StateTexas
CountyDallas
Location2.6 Mi NW Of IH 30
CarriesIH 635 EB
CrossesCenterville RD
Coordinates32.85594, -96.64881

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length199.1 ft (60.7 m)
Max Span97.1 ft (29.6 m)
Deck Width70.9 ft (21.6 m)
Deck Area1311.1 sq m
Main Spans3
Year Built1967

Traffic

Avg Daily Traffic93,760 (2013)
Truck Traffic13%
Lanes On Bridge5
Lanes Under Bridge8

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour CriticalNot applicable
Structure Number180570237402432

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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