US Bridges

US 183 over Salt Creek Tributary

Good

Lampasas County, Texas · 5.00 MI SE of Mills C/L · Structure no. 231410027402004

Built
1935
90 years old, rebuilt 1998
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
27 ft
3 main spans
Daily traffic
2,829
2020 count
Owner
State
State Highway Agency

About this bridge

US 183 over Salt Creek Tributary is a concrete culvert carrying US 183 over Salt Creek Tributary in Lampasas County, Texas. It was built in 1935 and reconstructed in 1998, so it is 90 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 2,829 vehicles a day, roughly 13% of them trucks, projected to reach 4,680 by 2033. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 18 mi (29 km).

CarriesUS 183
CrossesSalt Creek Tributary
Location5.00 MI SE of Mills C/L
RouteU.S. Route 183
StateTexas
Coordinates31.23114, -98.41093
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 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 spans3
Design loadH 15
Structure length27 ft (8.2 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 traffic2,829 (2020)
Projected traffic4,680 by 2033
Trucks13%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 183 over Salt Creek Tributary built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1998.

What condition is US 183 over Salt 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 Salt Creek Tributary carry?

About 2,829 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is US 183 over Salt Creek Tributary?

The structure is 27 ft (8.2 m) long with a longest span of 8 ft (2.4 m).

Who owns US 183 over Salt Creek Tributary?

It is owned by the State Highway Agency.