Structure 131430044601007 · Lavaca County, TX

US 90a over Navidad River

Carries US 90a over Navidad River, 1.00 Mi W Of FM 3283.

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
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,348 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 6/9 · sets the ratingSubstructure 7/9

1,348 ft end to end, longest span 90 ft: about 3.7 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.

Built194977 years old
Length1348.1 ft410.9 m
Daily traffic2,397counted 2024
Last inspectedMarch 2023every 24 months

Location

StateTexas
CountyLavaca
Location1.00 Mi W Of FM 3283
CarriesUS 90a
CrossesNavidad River
Coordinates29.46783, -96.81053

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length1348.1 ft (410.9 m)
Max Span89.9 ft (27.4 m)
Deck Width29.5 ft (9 m)
Deck Area3698.1 sq m
Main Spans7
Year Built1949

Traffic

Avg Daily Traffic2,397 (2024)
Truck Traffic37%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number131430044601007

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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