US Bridges

Lp 1 N T/A @ LP360 over Lp 1 SB

Good

Travis County, Texas · At Int Lp 1 and Lp 360 · Structure no. 142270313601054

Built
1982
43 years old
Condition
Good
inspected August 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
249 ft
1 main span
Daily traffic
32,229
2020 count
Owner
State
State Highway Agency

About this bridge

Lp 1 N T/A @ LP360 over Lp 1 SB is a prestressed concrete stringer/multi-beam or girder carrying Lp 1 N T/A @ LP360 over Lp 1 SB in Travis County, Texas. It was built in 1982, so it is 43 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 32,229 vehicles a day, roughly 4% of them trucks, projected to reach 39,900 by 2036. The structure is 249 ft (75.9 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesLp 1 N T/A @ LP360
CrossesLp 1 SB
LocationAt Int Lp 1 and Lp 360
RouteState Highway 360
CountyTravis County
StateTexas
Coordinates30.25083, -97.80612
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length249 ft (75.9 m)
Longest span114 ft (34.7 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,229 (2020)
Projected traffic39,900 by 2036
Trucks4%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lp 1 N T/A @ LP360 over Lp 1 SB built?

It was built in 1982, making it 43 years old in 2025.

What condition is Lp 1 N T/A @ LP360 over Lp 1 SB 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 August 2022.

How much traffic does Lp 1 N T/A @ LP360 over Lp 1 SB carry?

About 32,229 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Lp 1 N T/A @ LP360 over Lp 1 SB?

The structure is 249 ft (75.9 m) long with a longest span of 114 ft (34.7 m) and a deck 24 ft wide.

Who owns Lp 1 N T/A @ LP360 over Lp 1 SB?

It is owned by the State Highway Agency.