US Bridges

FM 2004 over Willow Bayou

Fair

Galveston County, Texas · 1.10 MI SW of FM 646 · Structure no. 120850252301002

Built
1962
63 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
79 ft
3 main spans
Daily traffic
7,696
2023 count
Owner
State
State Highway Agency

About this bridge

FM 2004 over Willow Bayou is a concrete slab carrying FM 2004 over Willow Bayou in Galveston County, Texas. It was built in 1962, so it is 63 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 7,696 vehicles a day, roughly 12% of them trucks, projected to reach 7,170 by 2033. The structure is 79 ft (24.1 m) long and 31 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesFM 2004
CrossesWillow Bayou
Location1.10 MI SW of FM 646
RouteState Highway 2004
CountyGalveston County
StateTexas
Coordinates29.31132, -95.09777
Functional classRural Minor 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length79 ft (24.1 m)
Longest span26 ft (7.9 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,696 (2023)
Projected traffic7,170 by 2033
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$5,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 2004 over Willow Bayou built?

It was built in 1962, making it 63 years old in 2025.

What condition is FM 2004 over Willow 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 September 2024.

How much traffic does FM 2004 over Willow Bayou carry?

About 7,696 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is FM 2004 over Willow Bayou?

The structure is 79 ft (24.1 m) long with a longest span of 26 ft (7.9 m) and a deck 31 ft wide.

Who owns FM 2004 over Willow Bayou?

It is owned by the State Highway Agency.