US Bridges

Lp 481 over South Llano River

Fair

Kimble County, Texas · 0.1 MI NW of FM 2169 · Structure no. 071340014216031

Built
1937
88 years old
Condition
Fair
inspected May 2024
Type
Truss - Thru
Steel Continuous
Length
1,342 ft
3 main spans
Daily traffic
1,863
2022 count
Owner
State
State Highway Agency

About this bridge

Lp 481 over South Llano River is a steel continuous truss - thru carrying Lp 481 over South Llano River in Kimble County, Texas. It was built in 1937, so it is 88 years old, older 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.

It carries about 1,863 vehicles a day, roughly 22% of them trucks, projected to reach 690 by 2033. The structure is 1,342 ft (409 m) long and 25 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesLp 481
CrossesSouth Llano River
Location0.1 MI NW of FM 2169
RouteState Highway 481
StateTexas
Coordinates30.4864, -99.76158
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

Structure typeTruss - Thru
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+7 approach)
Design loadH 15
Structure length1,342 ft (409 m)
Longest span189 ft (57.6 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck16 ft (4.9 m)

Traffic and service

Average daily traffic1,863 (2022)
Projected traffic690 by 2033
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Lp 481 over South Llano River built?

It was built in 1937, making it 88 years old in 2025.

What condition is Lp 481 over South Llano 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 May 2024.

How much traffic does Lp 481 over South Llano River carry?

About 1,863 vehicles per day (2022 count), of which roughly 22% are trucks.

How long is Lp 481 over South Llano River?

The structure is 1,342 ft (409 m) long with a longest span of 189 ft (57.6 m) and a deck 25 ft wide.

Who owns Lp 481 over South Llano River?

It is owned by the State Highway Agency.