US Bridges

FM 481 over Conejos Creek

Good

Zavala County, Texas · 1.60 MI E of Maverick C/L · Structure no. 222540159002011

Built
1983
42 years old, rebuilt 2003
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
23 ft
3 main spans
Daily traffic
960
2018 count
Owner
State
State Highway Agency

About this bridge

FM 481 over Conejos Creek is a concrete culvert carrying FM 481 over Conejos Creek in Zavala County, Texas. It was built in 1983 and reconstructed in 2003, so it is 42 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 960 vehicles a day, roughly 10% of them trucks, projected to reach 1,640 by 2033. The structure is 23 ft (7 m) long and 49 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesFM 481
CrossesConejos Creek
Location1.60 MI E of Maverick C/L
RouteState Highway 481
StateTexas
Coordinates29.05499, -100.08689
Functional classRural Major 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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
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
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length23 ft (7 m)
Longest span7 ft (2.1 m)
Deck width49 ft (14.8 m)
Roadway width46 ft (14.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic960 (2018)
Projected traffic1,640 by 2033
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 481 over Conejos Creek built?

It was built in 1983, making it 42 years old in 2025. It was reconstructed in 2003.

What condition is FM 481 over Conejos Creek 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 September 2024.

How much traffic does FM 481 over Conejos Creek carry?

About 960 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is FM 481 over Conejos Creek?

The structure is 23 ft (7 m) long with a longest span of 7 ft (2.1 m) and a deck 49 ft wide.

Who owns FM 481 over Conejos Creek?

It is owned by the State Highway Agency.