Structure 222540027604081 · Zavala County, TX

US 57 over Nueces River

Carries US 57 over Nueces River, 3.50 Mi E Of US 83.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,760 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

1,760 ft end to end, longest span 125 ft: about 4.9 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.

Built196957 years old
Length1759.8 ft536.4 m
Daily traffic4,335counted 2020
Last inspectedNovember 2022every 24 months

Location

StateTexas
CountyZavala
Location3.50 Mi E Of US 83
CarriesUS 57
CrossesNueces River
Coordinates28.93376, -99.79554

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length1759.8 ft (536.4 m)
Max Span125.0 ft (38.1 m)
Deck Width36.4 ft (11.1 m)
Deck Area5954.0 sq m
Main Spans16
Year Built1969

Traffic

Avg Daily Traffic4,335 (2020)
Truck Traffic19%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2022
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical8 — Stable, low risk
Structure Number222540027604081

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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