US Bridges

Lp 360 SB over Barton Creek

Fair

Travis County, Texas · 0.30 MI SE of Lp 1 · Structure no. 142270011313071

Built
1969
56 years old, rebuilt 1982
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
375 ft
4 main spans
Daily traffic
50,529
2019 count
Owner
State
State Highway Agency

About this bridge

Lp 360 SB over Barton Creek is a prestressed concrete stringer/multi-beam or girder carrying Lp 360 SB over Barton Creek in Travis County, Texas. It was built in 1969 and reconstructed in 1982, so it is 56 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 50,529 vehicles a day, roughly 3% of them trucks, projected to reach 52,430 by 2033. The structure is 375 ft (114.3 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesLp 360 SB
CrossesBarton Creek
Location0.30 MI SE of Lp 1
RouteState Highway 360
CountyTravis County
StateTexas
Coordinates30.24459, -97.80249
Functional classUrban Other Principal Arterial

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4 (+1 approach)
Design loadH 20
Structure length375 ft (114.3 m)
Longest span80 ft (24.4 m)
Deck width54 ft (16.5 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50,529 (2019)
Projected traffic52,430 by 2033
Trucks3%
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 Lp 360 SB over Barton Creek built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 1982.

What condition is Lp 360 SB over Barton 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 August 2024.

How much traffic does Lp 360 SB over Barton Creek carry?

About 50,529 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is Lp 360 SB over Barton Creek?

The structure is 375 ft (114.3 m) long with a longest span of 80 ft (24.4 m) and a deck 54 ft wide.

Who owns Lp 360 SB over Barton Creek?

It is owned by the State Highway Agency.