US Bridges

FM 4 over Trib of Robinson CR

Good

Hood County, Texas · 4.3 MI SE of FM 1543 · Structure no. 021120038503024

Built
1986
39 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
85 ft
1 main span
Daily traffic
3,651
2023 count
Owner
State
State Highway Agency

About this bridge

FM 4 over Trib of Robinson CR is a prestressed concrete stringer/multi-beam or girder carrying FM 4 over Trib of Robinson CR 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 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 3,651 vehicles a day, roughly 6% of them trucks, projected to reach 2,180 by 2033. The structure is 85 ft (25.9 m) long and 42 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesFM 4
CrossesTrib of Robinson CR
Location4.3 MI SE of FM 1543
RouteState Highway 4
StateTexas
Coordinates32.48684, -97.92406
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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, cast-in-place
Main spans1
Design loadHS 20
Structure length85 ft (25.9 m)
Longest span85 ft (25.9 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,651 (2023)
Projected traffic2,180 by 2033
Trucks6%
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 Trib of Robinson CR built?

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

What condition is FM 4 over Trib of Robinson CR 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 December 2024.

How much traffic does FM 4 over Trib of Robinson CR carry?

About 3,651 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is FM 4 over Trib of Robinson CR?

The structure is 85 ft (25.9 m) long with a longest span of 85 ft (25.9 m) and a deck 42 ft wide.

Who owns FM 4 over Trib of Robinson CR?

It is owned by the State Highway Agency.