US Bridges

Lp 1 SB over Walnut Crk/Rr/Park Bend

Fair

Travis County, Texas · 2.9 MI N of US 183 · Structure no. 142270313601068

Built
1989
36 years old, rebuilt 2016
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
905 ft
6 main spans
Daily traffic
65,430
2019 count
Owner
State
State Highway Agency

About this bridge

Lp 1 SB over Walnut Crk/Rr/Park Bend is a prestressed concrete stringer/multi-beam or girder carrying Lp 1 SB over Walnut Crk/Rr/Park Bend in Travis County, Texas. It was built in 1989 and reconstructed in 2016, so it is 36 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 65,430 vehicles a day, roughly 2% of them trucks, projected to reach 76,650 by 2033. The structure is 905 ft (275.8 m) long and 78 ft wide.

Location

Open in Google Maps
CarriesLp 1 SB
CrossesWalnut Crk/Rr/Park Bend
Location2.9 MI N of US 183
RouteState Highway 1
CountyTravis County
StateTexas
Coordinates30.41051, -97.71097
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable 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 spans6 (+3 approach)
Design loadHS 20
Structure length905 ft (275.8 m)
Longest span118 ft (36 m)
Deck width78 ft (23.8 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic65,430 (2019)
Projected traffic76,650 by 2033
Trucks2%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byLocal Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lp 1 SB over Walnut Crk/Rr/Park Bend built?

It was built in 1989, making it 36 years old in 2025. It was reconstructed in 2016.

What condition is Lp 1 SB over Walnut Crk/Rr/Park Bend 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 September 2023.

How much traffic does Lp 1 SB over Walnut Crk/Rr/Park Bend carry?

About 65,430 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is Lp 1 SB over Walnut Crk/Rr/Park Bend?

The structure is 905 ft (275.8 m) long with a longest span of 118 ft (36 m) and a deck 78 ft wide.

Who owns Lp 1 SB over Walnut Crk/Rr/Park Bend?

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