US Bridges

FM 436 over Trib Leon River

Good

Bell County, Texas · 1.0 MI SE of IH 35 · Structure no. 090140023116136

Built
1997
28 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
5,292
2020 count
Owner
State
State Highway Agency

About this bridge

FM 436 over Trib Leon River is a concrete culvert carrying FM 436 over Trib Leon River in Bell County, Texas. It was built in 1997, so it is 28 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,292 vehicles a day, roughly 14% of them trucks, projected to reach 6,500 by 2033. The structure is 23 ft (7 m) long.

CarriesFM 436
CrossesTrib Leon River
Location1.0 MI SE of IH 35
RouteState Highway 436
StateTexas
Coordinates31.03476, -97.45707
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
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
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 spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,292 (2020)
Projected traffic6,500 by 2033
Trucks14%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$261,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 436 over Trib Leon River built?

It was built in 1997, making it 28 years old in 2025.

What condition is FM 436 over Trib Leon River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does FM 436 over Trib Leon River carry?

About 5,292 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is FM 436 over Trib Leon River?

The structure is 23 ft (7 m) long with a longest span of 9 ft (2.7 m).

Who owns FM 436 over Trib Leon River?

It is owned by the State Highway Agency.