US Bridges

Lp 1 NB over UP RR

Fair

Travis County, Texas · 1.70 MI N of US 183 · Structure no. 142270313601073

Built
1989
36 years old, rebuilt 2016
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
532 ft
2 main spans
Daily traffic
56,900
2019 count
Owner
State
State Highway Agency

About this bridge

Lp 1 NB over UP RR is a prestressed concrete stringer/multi-beam or girder carrying Lp 1 NB over UP RR in Travis County, Texas. It was built in 1989 and reconstructed in 2016, so it is 36 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 56,900 vehicles a day, roughly 1% of them trucks, projected to reach 65,650 by 2033. The structure is 532 ft (162.2 m) long and 86 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLp 1 NB
CrossesUP RR
Location1.70 MI N of US 183
RouteState Highway 1
CountyTravis County
StateTexas
Coordinates30.40213, -97.72842
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to 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 spans2 (+4 approach)
Design loadHS 20
Structure length532 ft (162.2 m)
Longest span115 ft (35.1 m)
Deck width86 ft (26.2 m)
Roadway width83 ft (25.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic56,900 (2019)
Projected traffic65,650 by 2033
Trucks1%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
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 over UP RR built?

It was built in 1989, making it 36 years old in 2025. It was reconstructed in 2016.

What condition is Lp 1 NB over UP RR 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 2023.

How much traffic does Lp 1 NB over UP RR carry?

About 56,900 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is Lp 1 NB over UP RR?

The structure is 532 ft (162.2 m) long with a longest span of 115 ft (35.1 m) and a deck 86 ft wide.

Who owns Lp 1 NB over UP RR?

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