US Bridges

CR 150 over South Llano River

FairPosted for load

Kimble County, Texas · 0.3 MI S of US 377 · Structure no. 071340AA0150001

Built
1980
45 years old, rebuilt 2005
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
48 ft
2 main spans
Daily traffic
31
2018 count
Owner
County
County Highway Agency

About this bridge

CR 150 over South Llano River is a steel stringer/multi-beam or girder carrying CR 150 over South Llano River in Kimble County, Texas. It was built in 1980 and reconstructed in 2005, so it is 45 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. Its operating status is: posted for load restriction.

It carries about 31 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2033. The structure is 48 ft (14.6 m) long and 15 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesCR 150
CrossesSouth Llano River
Location0.3 MI S of US 377
RouteCounty Highway 150
StateTexas
Coordinates30.3933, -99.88186
Functional classRural Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment7: Better than present minimum criteria
Operating rating23 US tons
Inventory rating14 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2 (+1 approach)
Design loadUnknown
Structure length48 ft (14.6 m)
Longest span20 ft (6.1 m)
Deck width15 ft (4.5 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31 (2018)
Projected traffic100 by 2033
Trucks3%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$5,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 150 over South Llano River built?

It was built in 1980, making it 45 years old in 2025. It was reconstructed in 2005.

What condition is CR 150 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 CR 150 over South Llano River carry?

About 31 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is CR 150 over South Llano River?

The structure is 48 ft (14.6 m) long with a longest span of 20 ft (6.1 m) and a deck 15 ft wide.

Who owns CR 150 over South Llano River?

It is owned by the County Highway Agency.