US Bridges

FM 51 over US 377

Fair

Hood County, Texas · 0.3 MI W of FM 144 · Structure no. 021120008003053

Built
1966
59 years old, rebuilt 1987
Condition
Fair
inspected December 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
245 ft
3 main spans
Daily traffic
6,162
2024 count
Owner
State
State Highway Agency

About this bridge

FM 51 over US 377 is a prestressed concrete stringer/multi-beam or girder carrying FM 51 over US 377 in Hood County, Texas. It was built in 1966 and reconstructed in 1987, so it is 59 years old, older 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 6,162 vehicles a day, roughly 24% of them trucks, projected to reach 5,320 by 2038. The structure is 245 ft (74.7 m) long and 46 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesFM 51
CrossesUS 377
Location0.3 MI W of FM 144
RouteState Highway 51
CountyHood County
StateTexas
Coordinates32.43418, -97.7996
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3 (+1 approach)
Design loadH 20
Structure length245 ft (74.7 m)
Longest span66 ft (20.1 m)
Deck width46 ft (14 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,162 (2024)
Projected traffic5,320 by 2038
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FM 51 over US 377 built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1987.

What condition is FM 51 over US 377 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 2022.

How much traffic does FM 51 over US 377 carry?

About 6,162 vehicles per day (2024 count), of which roughly 24% are trucks.

How long is FM 51 over US 377?

The structure is 245 ft (74.7 m) long with a longest span of 66 ft (20.1 m) and a deck 46 ft wide.

Who owns FM 51 over US 377?

It is owned by the State Highway Agency.