US Bridges

FM 51 over Lollar Branch

Fair

Hood County, Texas · Intersection of FM 51&56 · Structure no. 021120031310023

Built
1957
68 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
23 ft
4 main spans
Daily traffic
3,093
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 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 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 3,093 vehicles a day, roughly 28% of them trucks, projected to reach 2,110 by 2038. The structure is 23 ft (7 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesFM 51
CrossesLollar Branch
LocationIntersection of FM 51&56
RouteState Highway 51
CountyHood County
StateTexas
Coordinates32.3291, -97.86293
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 protection6 SatisfactoryStructural elements show some minor deterioration.
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
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadOther
Structure length23 ft (7 m)
Longest span5 ft (1.5 m)
Deck width37 ft (11.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,093 (2024)
Projected traffic2,110 by 2038
Trucks28%
Lanes on structure1
Traffic directionOne-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 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 51 over Lollar Branch built?

It was built in 1957, making it 68 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 3,093 vehicles per day (2024 count), of which roughly 28% are trucks.

How long is FM 51 over Lollar Branch?

The structure is 23 ft (7 m) long with a longest span of 5 ft (1.5 m) and a deck 37 ft wide.

Who owns FM 51 over Lollar Branch?

It is owned by the State Highway Agency.