US Bridges

Lp 1 SB to SH 45SW over Lp 1 NB

Good

Travis County, Texas · At SH 45SW/ Lp 1 Intch · Structure no. 142270120006135

Built
2018
7 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
461 ft
4 main spans
Daily traffic
6,781
2021 count
Owner
Toll Authority
Local Toll Authority

About this bridge

Lp 1 SB to SH 45SW over Lp 1 NB is a prestressed concrete stringer/multi-beam or girder carrying Lp 1 SB to SH 45SW over Lp 1 NB in Travis County, Texas. It was built in 2018, so it is 7 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 6,781 vehicles a day, roughly 3% of them trucks, projected to reach 10,172 by 2041. The structure is 461 ft (140.5 m) long and 40 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesLp 1 SB to SH 45SW
CrossesLp 1 NB
LocationAt SH 45SW/ Lp 1 Intch
RouteState Highway 45
CountyTravis County
StateTexas
Coordinates30.17358, -97.88872
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
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 loadHL 93
Structure length461 ft (140.5 m)
Longest span128 ft (39 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,781 (2021)
Projected traffic10,172 by 2041
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerLocal Toll Authority
Maintained byLocal Toll Authority
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 SB to SH 45SW over Lp 1 NB built?

It was built in 2018, making it 7 years old in 2025.

What condition is Lp 1 SB to SH 45SW over Lp 1 NB 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 September 2023.

How much traffic does Lp 1 SB to SH 45SW over Lp 1 NB carry?

About 6,781 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Lp 1 SB to SH 45SW over Lp 1 NB?

The structure is 461 ft (140.5 m) long with a longest span of 128 ft (39 m) and a deck 40 ft wide.

Who owns Lp 1 SB to SH 45SW over Lp 1 NB?

It is owned by the Local Toll Authority.