US Bridges

US 90 WB over Willow Marsh Bayou

Fair

Jefferson County, Texas · 1.7 MI W of FM 364 · Structure no. 201240002806043

Built
1922
103 years old, rebuilt 1939
Condition
Fair
inspected June 2024
Type
Slab
Concrete
Length
46 ft
1 main span
Daily traffic
8,032
2022 count
Owner
State
State Highway Agency

About this bridge

US 90 WB over Willow Marsh Bayou is a concrete slab carrying US 90 WB over Willow Marsh Bayou in Jefferson County, Texas. It was built in 1922 and reconstructed in 1939, so it is 103 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 8,032 vehicles a day, roughly 9% of them trucks, projected to reach 9,450 by 2031. The structure is 46 ft (14 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 90 WB
CrossesWillow Marsh Bayou
Location1.7 MI W of FM 364
RouteU.S. Route 90
StateTexas
Coordinates30.06375, -94.21784
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating24 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadH 15
Structure length46 ft (14 m)
Longest span22 ft (6.7 m)
Deck width43 ft (13.2 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,032 (2022)
Projected traffic9,450 by 2031
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 90 WB over Willow Marsh Bayou built?

It was built in 1922, making it 103 years old in 2025. It was reconstructed in 1939.

What condition is US 90 WB over Willow Marsh Bayou in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does US 90 WB over Willow Marsh Bayou carry?

About 8,032 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is US 90 WB over Willow Marsh Bayou?

The structure is 46 ft (14 m) long with a longest span of 22 ft (6.7 m) and a deck 43 ft wide.

Who owns US 90 WB over Willow Marsh Bayou?

It is owned by the State Highway Agency.