Structure 11390022101007 · Lamar County, TX

US 271 over Mustang Creek

Carries US 271 over Mustang Creek, 0.7 Mi SE Of FM 1503.

Overall conditionFair

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

How ratings work
Culvertsets the rating6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT85 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 85 ft across with 8 openings. Lengths and the car 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, so those are drawn as typical for a culvert.

Built1935rebuilt 1959
Length85.0 ft25.9 m
Daily traffic5,896counted 2020
Last inspectedSeptember 2024every 24 months

Location

StateTexas
CountyLamar
Location0.7 Mi SE Of FM 1503
CarriesUS 271
CrossesMustang Creek
Coordinates33.52410, -95.31605

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length85.0 ft (25.9 m)
Max Span9.8 ft (3 m)
Deck Width51.5 ft (15.7 m)
Deck Area406.6 sq m
Main Spans8
Year Built1935 (reconstructed 1959)

Traffic

Avg Daily Traffic5,896 (2020)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical6 — Scour calculated, stable
Structure Number011390022101007

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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