US Bridges

Lp 1 SB over Barton Creek

Fair

Travis County, Texas · 0.60 MI S of Lp 360 · Structure no. 142270313601060

Built
1986
39 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,334 ft
11 main spans
Daily traffic
54,671
2023 count
Owner
State
State Highway Agency

About this bridge

Lp 1 SB over Barton Creek is a prestressed concrete stringer/multi-beam or girder carrying Lp 1 SB over Barton Creek in Travis County, Texas. It was built in 1986, so it is 39 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 54,671 vehicles a day, roughly 4% of them trucks, projected to reach 52,190 by 2036. The structure is 1,334 ft (406.6 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLp 1 SB
CrossesBarton Creek
Location0.60 MI S of Lp 360
RouteState Highway 1
StateTexas
Coordinates30.24261, -97.81176
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 protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
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, cast-in-place
Main spans11
Design loadHS 20
Structure length1,334 ft (406.6 m)
Longest span130 ft (39.6 m)
Deck width52 ft (15.9 m)
Roadway width49 ft (15 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic54,671 (2023)
Projected traffic52,190 by 2036
Trucks4%
Lanes on structure4
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 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 Barton Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is Lp 1 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 September 2024.

How much traffic does Lp 1 SB over Barton Creek carry?

About 54,671 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Lp 1 SB over Barton Creek?

The structure is 1,334 ft (406.6 m) long with a longest span of 130 ft (39.6 m) and a deck 52 ft wide.

Who owns Lp 1 SB over Barton Creek?

It is owned by the State Highway Agency.