US Bridges

FM 51 over Lollar Branch

Fair

Hood County, Texas · Intersection of FM 51&56 · Structure no. 021120031310027

Built
1977
48 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
27 ft
4 main spans
Daily traffic
3,524
2024 count
Owner
State
State Highway Agency

About this bridge

FM 51 over Lollar Branch is a concrete culvert carrying FM 51 over Lollar Branch in Hood County, Texas. It was built in 1977, so it is 48 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 3,524 vehicles a day, roughly 28% of them trucks, projected to reach 3,110 by 2038. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFM 51
CrossesLollar Branch
LocationIntersection of FM 51&56
RouteState Highway 51
StateTexas
Coordinates32.3292, -97.86246
Functional classRural Major 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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 spans4
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span5 ft (1.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,524 (2024)
Projected traffic3,110 by 2038
Trucks28%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 51 over Lollar Branch built?

It was built in 1977, making it 48 years old in 2025.

What condition is FM 51 over Lollar 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 51 over Lollar Branch carry?

About 3,524 vehicles per day (2024 count), of which roughly 28% are trucks.

How long is FM 51 over Lollar Branch?

The structure is 27 ft (8.2 m) long with a longest span of 5 ft (1.5 m).

Who owns FM 51 over Lollar Branch?

It is owned by the State Highway Agency.