US Bridges

US 183 NB over Cottonmouth Creek

Good

Travis County, Texas · 0.70 MI N of FM 812 · Structure no. 142270015201035

Built
1970
55 years old, rebuilt 2016
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
120 ft
2 main spans
Daily traffic
18,435
2023 count
Owner
State
State Highway Agency

About this bridge

US 183 NB over Cottonmouth Creek is a prestressed concrete stringer/multi-beam or girder carrying US 183 NB over Cottonmouth Creek in Travis County, Texas. It was built in 1970 and reconstructed in 2016, so it is 55 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 18,435 vehicles a day, roughly 8% of them trucks, projected to reach 18,960 by 2033. The structure is 120 ft (36.6 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 183 NB
CrossesCottonmouth Creek
Location0.70 MI N of FM 812
RouteU.S. Route 183
StateTexas
Coordinates30.17378, -97.69016
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span60 ft (18.3 m)
Deck width53 ft (16.2 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,435 (2023)
Projected traffic18,960 by 2033
Trucks8%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 NB over Cottonmouth Creek built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2016.

What condition is US 183 NB over Cottonmouth Creek 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 September 2024.

How much traffic does US 183 NB over Cottonmouth Creek carry?

About 18,435 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is US 183 NB over Cottonmouth Creek?

The structure is 120 ft (36.6 m) long with a longest span of 60 ft (18.3 m) and a deck 53 ft wide.

Who owns US 183 NB over Cottonmouth Creek?

It is owned by the State Highway Agency.