US Bridges

FM 4 over Trib of Brazos River

Good

Palo Pinto County, Texas · 4.4 MI N of US 180 · Structure no. 021820073601008

Built
1957
68 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
37 ft
3 main spans
Daily traffic
11
2024 count
Owner
State
State Highway Agency

About this bridge

FM 4 over Trib of Brazos River is a concrete culvert carrying FM 4 over Trib of Brazos River in Palo Pinto County, Texas. It was built in 1957, so it is 68 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 11 vehicles a day, roughly 20% of them trucks, projected to reach 350 by 2033. The structure is 37 ft (11.3 m) long and 38 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

CarriesFM 4
CrossesTrib of Brazos River
Location4.4 MI N of US 180
RouteState Highway 4
StateTexas
Coordinates32.83181, -98.30124
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length37 ft (11.3 m)
Longest span8 ft (2.4 m)
Deck width38 ft (11.6 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2024)
Projected traffic350 by 2033
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 4 over Trib of Brazos River built?

It was built in 1957, making it 68 years old in 2025.

What condition is FM 4 over Trib of Brazos River 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 March 2023.

How much traffic does FM 4 over Trib of Brazos River carry?

About 11 vehicles per day (2024 count), of which roughly 20% are trucks.

How long is FM 4 over Trib of Brazos River?

The structure is 37 ft (11.3 m) long with a longest span of 8 ft (2.4 m) and a deck 38 ft wide.

Who owns FM 4 over Trib of Brazos River?

It is owned by the State Highway Agency.