US Bridges

US 90 EB over Willow Marsh Bayou

Good

Jefferson County, Texas · 1.7 MI W of FM 364 · Structure no. 201240002806137

Built
1966
59 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
61 ft
2 main spans
Daily traffic
8,032
2022 count
Owner
State
State Highway Agency

About this bridge

US 90 EB over Willow Marsh Bayou is a concrete stringer/multi-beam or girder carrying US 90 EB over Willow Marsh Bayou in Jefferson County, Texas. It was built in 1966, so it is 59 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 8,032 vehicles a day, roughly 9% of them trucks, projected to reach 9,450 by 2031. The structure is 61 ft (18.6 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 90 EB
CrossesWillow Marsh Bayou
Location1.7 MI W of FM 364
RouteU.S. Route 90
StateTexas
Coordinates30.06347, -94.21778
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.9 US tons
Inventory rating37 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length61 ft (18.6 m)
Longest span30 ft (9.1 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.1 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 closed1.9 mi (3 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 EB over Willow Marsh Bayou built?

It was built in 1966, making it 59 years old in 2025.

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

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

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

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

How long is US 90 EB over Willow Marsh Bayou?

The structure is 61 ft (18.6 m) long with a longest span of 30 ft (9.1 m) and a deck 42 ft wide.

Who owns US 90 EB over Willow Marsh Bayou?

It is owned by the State Highway Agency.