Structure 150150007308259 · Bexar County, TX

US 281 Sbfr over Drain

Carries US 281 Sbfr over Drain, 0.30 Mi N Of IH 410.

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 overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT745 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

745 ft end to end, longest span 85 ft: about 2.1 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.

Built198343 years old
Length745.1 ft227.1 m
Daily traffic3,420counted 2023
Last inspectedAugust 2024every 24 months

Location

StateTexas
CountyBexar
Location0.30 Mi N Of IH 410
CarriesUS 281 Sbfr
CrossesDrain
Coordinates29.52388, -98.48209

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length745.1 ft (227.1 m)
Max Span85.0 ft (25.9 m)
Deck Width49.9 ft (15.2 m)
Deck Area3451.9 sq m
Main Spans10
Year Built1983

Traffic

Avg Daily Traffic3,420 (2023)
Truck Traffic4%
Lanes On Bridge3

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number150150007308259

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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