US Bridges

US 183 over School Creek Tributary

Good

Lampasas County, Texas · 3.30 MI E of FM 3415 · Structure no. 231410027206014

Built
1936
89 years old, rebuilt 1978
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
5,159
2020 count
Owner
State
State Highway Agency

About this bridge

US 183 over School Creek Tributary is a concrete culvert carrying US 183 over School Creek Tributary in Lampasas County, Texas. It was built in 1936 and reconstructed in 1978, 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 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 5,159 vehicles a day, roughly 11% of them trucks, projected to reach 7,090 by 2033. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 14.3 mi (23 km).

CarriesUS 183
CrossesSchool Creek Tributary
Location3.30 MI E of FM 3415
RouteU.S. Route 183
StateTexas
Coordinates31.16951, -98.34366
Functional classRural Principal Arterial - Other

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 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 spans2
Design loadH 15
Structure length26 ft (7.9 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,159 (2020)
Projected traffic7,090 by 2033
Trucks11%
Lanes on structure2
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$18,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 183 over School Creek Tributary built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1978.

What condition is US 183 over School Creek Tributary 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 January 2024.

How much traffic does US 183 over School Creek Tributary carry?

About 5,159 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is US 183 over School Creek Tributary?

The structure is 26 ft (7.9 m) long with a longest span of 8 ft (2.4 m).

Who owns US 183 over School Creek Tributary?

It is owned by the State Highway Agency.