US Bridges

FM 3481 over Trib Lampasas River

Good

Bell County, Texas · 0.20 MI NW of FM 2484 · Structure no. 090140340901003

Built
1997
28 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
4,994
2023 count
Owner
State
State Highway Agency

About this bridge

FM 3481 over Trib Lampasas River is a concrete culvert carrying FM 3481 over Trib Lampasas 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 4,994 vehicles a day, roughly 13% of them trucks, projected to reach 6,492 by 2042. The structure is 23 ft (7 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFM 3481
CrossesTrib Lampasas River
Location0.20 MI NW of FM 2484
RouteState Highway 3481
StateTexas
Coordinates30.99335, -97.63633
Functional classRural 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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,994 (2023)
Projected traffic6,492 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 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 3481 over Trib Lampasas River built?

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

What condition is FM 3481 over Trib Lampasas 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 December 2024.

How much traffic does FM 3481 over Trib Lampasas River carry?

About 4,994 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is FM 3481 over Trib Lampasas River?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns FM 3481 over Trib Lampasas River?

It is owned by the State Highway Agency.