US Bridges

FM 391 over Lost Creek

Fair

Robertson County, Texas · 0.8 MI E of US 190 · Structure no. 171980026206027

Built
1947
78 years old, rebuilt 1980
Condition
Fair
inspected November 2024
Type
Slab
Concrete
Length
50 ft
2 main spans
Daily traffic
1,250
2023 count
Owner
State
State Highway Agency

About this bridge

FM 391 over Lost Creek is a concrete slab carrying FM 391 over Lost Creek in Robertson County, Texas. It was built in 1947 and reconstructed in 1980, so it is 78 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 5 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 1,250 vehicles a day, roughly 10% of them trucks, projected to reach 1,750 by 2042. The structure is 50 ft (15.2 m) long and 42 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesFM 391
CrossesLost Creek
Location0.8 MI E of US 190
RouteState Highway 391
StateTexas
Coordinates30.88191, -96.57988
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating26 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length50 ft (15.2 m)
Longest span25 ft (7.6 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,250 (2023)
Projected traffic1,750 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 391 over Lost Creek built?

It was built in 1947, making it 78 years old in 2025. It was reconstructed in 1980.

What condition is FM 391 over Lost Creek 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 November 2024.

How much traffic does FM 391 over Lost Creek carry?

About 1,250 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is FM 391 over Lost Creek?

The structure is 50 ft (15.2 m) long with a longest span of 25 ft (7.6 m) and a deck 42 ft wide.

Who owns FM 391 over Lost Creek?

It is owned by the State Highway Agency.