US Bridges

Lp 1 NB to 183 SB over UP RR & Lp 1 NB FR

Good

Travis County, Texas · US 183 / Lp 1 Interchange · Structure no. 142270313601092

Built
1991
34 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
647 ft
7 main spans
Daily traffic
6,850
2009 count
Owner
State
State Highway Agency

About this bridge

Lp 1 NB to 183 SB over UP RR & Lp 1 NB FR is a prestressed concrete stringer/multi-beam or girder carrying Lp 1 NB to 183 SB over UP RR & Lp 1 NB FR in Travis County, Texas. It was built in 1991, so it is 34 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 6,850 vehicles a day, roughly 3% of them trucks, projected to reach 11,780 by 2029. The structure is 647 ft (197.2 m) long and 28 ft wide.

Location

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CarriesLp 1 NB to 183 SB
CrossesUP RR & Lp 1 NB FR
LocationUS 183 / Lp 1 Interchange
RouteState Highway 1
CountyTravis County
StateTexas
Coordinates30.37791, -97.73736
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 geometry7: Better than present minimum 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 spans7
Design loadHS 20
Structure length647 ft (197.2 m)
Longest span101 ft (30.8 m)
Deck width28 ft (8.6 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,850 (2009)
Projected traffic11,780 by 2029
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
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 NB to 183 SB over UP RR & Lp 1 NB FR built?

It was built in 1991, making it 34 years old in 2025.

What condition is Lp 1 NB to 183 SB over UP RR & Lp 1 NB FR 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 NB to 183 SB over UP RR & Lp 1 NB FR carry?

About 6,850 vehicles per day (2009 count), of which roughly 3% are trucks.

How long is Lp 1 NB to 183 SB over UP RR & Lp 1 NB FR?

The structure is 647 ft (197.2 m) long with a longest span of 101 ft (30.8 m) and a deck 28 ft wide.

Who owns Lp 1 NB to 183 SB over UP RR & Lp 1 NB FR?

It is owned by the State Highway Agency and maintained by the Local Toll Authority.