US Bridges

CR 431 over Leon River

FairPosted for load

Hamilton County, Texas · 0.70 MI SW of SH 36 · Structure no. 090980AA0152001

Built
1988
37 years old
Condition
Fair
inspected March 2024
Type
Other
Other
Length
101 ft
1 main span
Daily traffic
64
2020 count
Owner
County
County Highway Agency

About this bridge

CR 431 over Leon River is a other other carrying CR 431 over Leon River in Hamilton County, Texas. It was built in 1988, so it is 37 years old, younger 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. Its operating status is: posted for load restriction.

It carries about 64 vehicles a day, roughly 1% of them trucks, projected to reach 140 by 2036. The structure is 101 ft (30.8 m) long and 16 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesCR 431
CrossesLeon River
Location0.70 MI SW of SH 36
RouteCounty Highway 431
CountyHamilton County
StateTexas
Coordinates31.60881, -97.89687
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating29 US tons
Inventory rating17 US tons

Structure

Structure typeOther
MaterialOther
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length101 ft (30.8 m)
Longest span99 ft (30.2 m)
Deck width16 ft (5 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic64 (2020)
Projected traffic140 by 2036
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$453,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 431 over Leon River built?

It was built in 1988, making it 37 years old in 2025.

What condition is CR 431 over Leon River 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 March 2024.

How much traffic does CR 431 over Leon River carry?

About 64 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is CR 431 over Leon River?

The structure is 101 ft (30.8 m) long with a longest span of 99 ft (30.2 m) and a deck 16 ft wide.

Who owns CR 431 over Leon River?

It is owned by the County Highway Agency.