US Bridges

FM 2004 over Highland Bayou

Poor

Galveston County, Texas · 0.05 MI N of SH 6 · Structure no. 120850191101003

Built
1943
82 years old, rebuilt 1993
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
150 ft
5 main spans
Daily traffic
12,790
2023 count
Owner
State
State Highway Agency

About this bridge

FM 2004 over Highland Bayou is a steel stringer/multi-beam or girder carrying FM 2004 over Highland Bayou in Galveston County, Texas. It was built in 1943 and reconstructed in 1993, so it is 82 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 12,790 vehicles a day, roughly 14% of them trucks, projected to reach 12,270 by 2033. The structure is 150 ft (45.7 m) long and 47 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFM 2004
CrossesHighland Bayou
Location0.05 MI N of SH 6
RouteState Highway 2004
StateTexas
Coordinates29.35338, -95.03043
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating43 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length150 ft (45.7 m)
Longest span30 ft (9.1 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,790 (2023)
Projected traffic12,270 by 2033
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$85,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 2004 over Highland Bayou built?

It was built in 1943, making it 82 years old in 2025. It was reconstructed in 1993.

What condition is FM 2004 over Highland Bayou in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does FM 2004 over Highland Bayou carry?

About 12,790 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is FM 2004 over Highland Bayou?

The structure is 150 ft (45.7 m) long with a longest span of 30 ft (9.1 m) and a deck 47 ft wide.

Who owns FM 2004 over Highland Bayou?

It is owned by the State Highway Agency.