Structure 201240002806137 · Jefferson County, TX

US 90 EB over Willow Marsh Bayou

Carries US 90 EB over Willow Marsh Bayou, 1.7 Mi W Of FM 364.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT61 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

61 ft end to end, longest span 30 ft. 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 or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built196660 years old
Length61.0 ft18.6 m
Daily traffic8,032counted 2022
Last inspectedJune 2024every 24 months

Location

StateTexas
CountyJefferson
Location1.7 Mi W Of FM 364
CarriesUS 90 EB
CrossesWillow Marsh Bayou
Coordinates30.06347, -94.21778

Physical Characteristics

MaterialConcrete
DesignStringer/Multi-beam
Total Length61.0 ft (18.6 m)
Max Span29.9 ft (9.1 m)
Deck Width42.3 ft (12.9 m)
Deck Area239.9 sq m
Main Spans2
Year Built1966

Traffic

Avg Daily Traffic8,032 (2022)
Truck Traffic9%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical8 — Stable, low risk
Structure Number201240002806137

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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