US Bridges

FM 4 over Trib of Brazos River

Good

Palo Pinto County, Texas · 5.2 Mi. N. of US 180 · Structure no. 021820073601017

Built
1998
27 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
86 ft
1 main span
Daily traffic
11
2024 count
Owner
State
State Highway Agency

About this bridge

FM 4 over Trib of Brazos River is a prestressed concrete stringer/multi-beam or girder carrying FM 4 over Trib of Brazos River in Palo Pinto County, Texas. It was built in 1998, so it is 27 years old, younger 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 86 ft (26.2 m) long and 32 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

CarriesFM 4
CrossesTrib of Brazos River
Location5.2 Mi. N. of US 180
RouteState Highway 4
StateTexas
Coordinates32.8406, -98.30224
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length86 ft (26.2 m)
Longest span86 ft (26.2 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.7 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 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 Trib of Brazos River built?

It was built in 1998, making it 27 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 86 ft (26.2 m) long with a longest span of 86 ft (26.2 m) and a deck 32 ft wide.

Who owns FM 4 over Trib of Brazos River?

It is owned by the State Highway Agency.