US Bridges

FM 2004 over Halls Bayou

Fair

Brazoria County, Texas · 3.30 MI NE of FM 2917 · Structure no. 120200252302010

Built
1965
60 years old, rebuilt 2022
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
331 ft
1 main span
Daily traffic
7,171
2023 count
Owner
State
State Highway Agency

About this bridge

FM 2004 over Halls Bayou is a prestressed concrete stringer/multi-beam or girder carrying FM 2004 over Halls Bayou in Brazoria County, Texas. It was built in 1965 and reconstructed in 2022, so it is 60 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 7,171 vehicles a day, roughly 13% of them trucks, projected to reach 8,310 by 2033. The structure is 331 ft (101 m) long and 47 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

Open in Google Maps
CarriesFM 2004
CrossesHalls Bayou
Location3.30 MI NE of FM 2917
RouteState Highway 2004
CountyBrazoria County
StateTexas
Coordinates29.28638, -95.1314
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating39 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+4 approach)
Design loadH 20
Structure length331 ft (101 m)
Longest span90 ft (27.4 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,171 (2023)
Projected traffic8,310 by 2033
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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$230,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 2004 over Halls Bayou built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2022.

What condition is FM 2004 over Halls 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 November 2024.

How much traffic does FM 2004 over Halls Bayou carry?

About 7,171 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is FM 2004 over Halls Bayou?

The structure is 331 ft (101 m) long with a longest span of 90 ft (27.4 m) and a deck 47 ft wide.

Who owns FM 2004 over Halls Bayou?

It is owned by the State Highway Agency.