US Bridges

Lp 1 SB FR over Trib of Walnut Creek

Good

Travis County, Texas · 0.90 MI N of Parmer LN · Structure no. 142270313601142

Built
2005
20 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,805 ft
22 main spans
Daily traffic
10,877
2019 count
Owner
State
State Highway Agency

About this bridge

Lp 1 SB FR over Trib of Walnut Creek is a prestressed concrete stringer/multi-beam or girder carrying Lp 1 SB FR over Trib of Walnut Creek in Travis County, Texas. It was built in 2005, so it is 20 years old, younger 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 10,877 vehicles a day, roughly 4% of them trucks, projected to reach 61,170 by 2036. The structure is 1,805 ft (550.2 m) long and 39 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesLp 1 SB FR
CrossesTrib of Walnut Creek
Location0.90 MI N of Parmer LN
RouteState Highway 1
StateTexas
Coordinates30.43946, -97.69914
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans22 (+1 approach)
Design loadHS 20
Structure length1,805 ft (550.2 m)
Longest span80 ft (24.4 m)
Deck width39 ft (12 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,877 (2019)
Projected traffic61,170 by 2036
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lp 1 SB FR over Trib of Walnut Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is Lp 1 SB FR over Trib of Walnut 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 November 2023.

How much traffic does Lp 1 SB FR over Trib of Walnut Creek carry?

About 10,877 vehicles per day (2019 count), of which roughly 4% are trucks.

How long is Lp 1 SB FR over Trib of Walnut Creek?

The structure is 1,805 ft (550.2 m) long with a longest span of 80 ft (24.4 m) and a deck 39 ft wide.

Who owns Lp 1 SB FR over Trib of Walnut Creek?

It is owned by the State Highway Agency.