US Bridges

FM 4 over Blue Branch

Fair

Hood County, Texas · 0.3 MI W from FM 2580 · Structure no. 021120038503025

Built
1986
39 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
46 ft
3 main spans
Daily traffic
3,678
2024 count
Owner
State
State Highway Agency

About this bridge

FM 4 over Blue Branch is a concrete culvert carrying FM 4 over Blue Branch in Hood County, Texas. It was built in 1986, so it is 39 years old, younger 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 3,678 vehicles a day, roughly 9% of them trucks, projected to reach 3,680 by 2033. The structure is 46 ft (14 m) long. If it were closed, the detour would be 14.9 mi (24 km).

CarriesFM 4
CrossesBlue Branch
Location0.3 MI W from FM 2580
RouteState Highway 4
StateTexas
Coordinates32.47308, -97.83387
Functional classUrban 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length46 ft (14 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,678 (2024)
Projected traffic3,680 by 2033
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 4 over Blue Branch built?

It was built in 1986, making it 39 years old in 2025.

What condition is FM 4 over Blue Branch 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 December 2024.

How much traffic does FM 4 over Blue Branch carry?

About 3,678 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is FM 4 over Blue Branch?

The structure is 46 ft (14 m) long with a longest span of 10 ft (3 m).

Who owns FM 4 over Blue Branch?

It is owned by the State Highway Agency.