US Bridges

183 SB to Lp 1 SB over US 183 SB on Ramp

Fair

Travis County, Texas · US 183 / Lp 1 Interchange · Structure no. 142270015106086

Built
1991
34 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,261 ft
8 main spans
Daily traffic
14,620
2013 count
Owner
State
State Highway Agency

About this bridge

183 SB to Lp 1 SB over US 183 SB on Ramp is a prestressed concrete stringer/multi-beam or girder carrying 183 SB to Lp 1 SB over US 183 SB on Ramp in Travis County, Texas. It was built in 1991, so it is 34 years old, younger 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 14,620 vehicles a day, roughly 2% of them trucks, projected to reach 20,470 by 2033. The structure is 1,261 ft (384.4 m) long and 37 ft wide.

Location

Open in Google Maps
Carries183 SB to Lp 1 SB
CrossesUS 183 SB on Ramp
LocationUS 183 / Lp 1 Interchange
RouteU.S. Route 183
CountyTravis County
StateTexas
Coordinates30.37929, -97.73917
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans8 (+5 approach)
Design loadHS 20
Structure length1,261 ft (384.4 m)
Longest span111 ft (33.8 m)
Deck width37 ft (11.2 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,620 (2013)
Projected traffic20,470 by 2033
Trucks2%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 183 SB to Lp 1 SB over US 183 SB on Ramp built?

It was built in 1991, making it 34 years old in 2025.

What condition is 183 SB to Lp 1 SB over US 183 SB on Ramp 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 August 2023.

How much traffic does 183 SB to Lp 1 SB over US 183 SB on Ramp carry?

About 14,620 vehicles per day (2013 count), of which roughly 2% are trucks.

How long is 183 SB to Lp 1 SB over US 183 SB on Ramp?

The structure is 1,261 ft (384.4 m) long with a longest span of 111 ft (33.8 m) and a deck 37 ft wide.

Who owns 183 SB to Lp 1 SB over US 183 SB on Ramp?

It is owned by the State Highway Agency.