US Bridges

FM 2921 over Leon River Tributary

Good

Comanche County, Texas · 5.10 MI NW of SH 16 · Structure no. 230470306602003

Built
1970
55 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
147
2020 count
Owner
State
State Highway Agency

About this bridge

FM 2921 over Leon River Tributary is a concrete culvert carrying FM 2921 over Leon River Tributary in Comanche County, Texas. It was built in 1970, so it is 55 years old, older 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 147 vehicles a day, roughly 3% of them trucks, projected to reach 160 by 2033. The structure is 26 ft (7.9 m) long and 37 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFM 2921
CrossesLeon River Tributary
Location5.10 MI NW of SH 16
RouteState Highway 2921
StateTexas
Coordinates32.19038, -98.5805
Functional classRural Minor Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than 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 spans3
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span8 ft (2.4 m)
Deck width37 ft (11.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic147 (2020)
Projected traffic160 by 2033
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 2921 over Leon River Tributary built?

It was built in 1970, making it 55 years old in 2025.

What condition is FM 2921 over Leon River Tributary 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 July 2023.

How much traffic does FM 2921 over Leon River Tributary carry?

About 147 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is FM 2921 over Leon River Tributary?

The structure is 26 ft (7.9 m) long with a longest span of 8 ft (2.4 m) and a deck 37 ft wide.

Who owns FM 2921 over Leon River Tributary?

It is owned by the State Highway Agency.