US Bridges

Lp 1 NB over Lp 360

Good

Travis County, Texas · At Lp 1/LP 360 · Structure no. 142270313601096

Built
1986
39 years old
Condition
Good
inspected August 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
381 ft
4 main spans
Daily traffic
44,076
2020 count
Owner
State
State Highway Agency

About this bridge

Lp 1 NB over Lp 360 is a prestressed concrete stringer/multi-beam or girder carrying Lp 1 NB over Lp 360 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 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 44,076 vehicles a day, roughly 2% of them trucks, projected to reach 94,020 by 2033. The structure is 381 ft (116.1 m) long and 40 ft wide.

Location

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CarriesLp 1 NB
CrossesLp 360
LocationAt Lp 1/LP 360
RouteState Highway 1
CountyTravis County
StateTexas
Coordinates30.24796, -97.8044
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.
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 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 spans4
Design loadHS 20
Structure length381 ft (116.1 m)
Longest span125 ft (38.1 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44,076 (2020)
Projected traffic94,020 by 2033
Trucks2%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lp 1 NB over Lp 360 built?

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

What condition is Lp 1 NB over Lp 360 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 NB over Lp 360 carry?

About 44,076 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Lp 1 NB over Lp 360?

The structure is 381 ft (116.1 m) long with a longest span of 125 ft (38.1 m) and a deck 40 ft wide.

Who owns Lp 1 NB over Lp 360?

It is owned by the State Highway Agency.