US Bridges

US 183 SB over Maha Creek

Fair

Travis County, Texas · 0.40 MI S of SH 45 Toll · Structure no. 142270015201021

Built
1939
86 years old, rebuilt 2010
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
154 ft
23 main spans
Daily traffic
14,971
2020 count
Owner
State
State Highway Agency

About this bridge

US 183 SB over Maha Creek is a concrete culvert carrying US 183 SB over Maha Creek in Travis County, Texas. It was built in 1939 and reconstructed in 2010, so it is 86 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 14,971 vehicles a day, roughly 10% of them trucks, projected to reach 11,300 by 2031. The structure is 154 ft (46.9 m) long.

Location

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CarriesUS 183 SB
CrossesMaha Creek
Location0.40 MI S of SH 45 Toll
RouteU.S. Route 183
CountyTravis County
StateTexas
Coordinates30.07578, -97.69321
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
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 rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans23
Design loadUnknown
Structure length154 ft (46.9 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,971 (2020)
Projected traffic11,300 by 2031
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Toll Authority
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$355,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 183 SB over Maha Creek built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 2010.

What condition is US 183 SB over Maha 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 July 2023.

How much traffic does US 183 SB over Maha Creek carry?

About 14,971 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is US 183 SB over Maha Creek?

The structure is 154 ft (46.9 m) long with a longest span of 6 ft (1.8 m).

Who owns US 183 SB over Maha Creek?

It is owned by the State Highway Agency and maintained by the State Toll Authority.