US Bridges

US 183 over School Creek

Fair

Lampasas County, Texas · 2.40 MI SE of FM 3415 · Structure no. 231410027206013

Built
1936
89 years old, rebuilt 2013
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
30 ft
4 main spans
Daily traffic
5,159
2020 count
Owner
State
State Highway Agency

About this bridge

US 183 over School Creek is a concrete culvert carrying US 183 over School Creek in Lampasas County, Texas. It was built in 1936 and reconstructed in 2013, so it is 89 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 5,159 vehicles a day, roughly 16% of them trucks, projected to reach 8,796 by 2038. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesUS 183
CrossesSchool Creek
Location2.40 MI SE of FM 3415
RouteU.S. Route 183
CountyLampasas County
StateTexas
Coordinates31.17727, -98.35585
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 spans4
Design loadH 15
Structure length30 ft (9.1 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,159 (2020)
Projected traffic8,796 by 2038
Trucks16%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$20,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 183 over School Creek built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 2013.

What condition is US 183 over School Creek 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 January 2024.

How much traffic does US 183 over School Creek carry?

About 5,159 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is US 183 over School Creek?

The structure is 30 ft (9.1 m) long with a longest span of 7 ft (2.1 m).

Who owns US 183 over School Creek?

It is owned by the State Highway Agency.