US Bridges

1st ST to Lp 1 NB over Uprr; 5th and 6th Sts

Fair

Travis County, Texas · Lady Bird Lake Intchng · Structure no. 142270313601041

Built
1975
50 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,109 ft
11 main spans
Daily traffic
14,120
2016 count
Owner
State
State Highway Agency

About this bridge

1st ST to Lp 1 NB over Uprr; 5th and 6th Sts is a prestressed concrete stringer/multi-beam or girder carrying 1st ST to Lp 1 NB over Uprr; 5th and 6th Sts in Travis County, Texas. It was built in 1975, so it is 50 years old, older 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 14,120 vehicles a day, roughly 2% of them trucks, projected to reach 19,760 by 2036. The structure is 1,109 ft (338 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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Carries1st ST to Lp 1 NB
CrossesUprr; 5th and 6th Sts
LocationLady Bird Lake Intchng
RouteState Highway 1
CountyTravis County
StateTexas
Coordinates30.27691, -97.76725
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 inspectionJuly 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to 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 spans11
Design loadHS 20
Structure length1,109 ft (338 m)
Longest span114 ft (34.7 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,120 (2016)
Projected traffic19,760 by 2036
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway and railroad
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 1st ST to Lp 1 NB over Uprr; 5th and 6th Sts built?

It was built in 1975, making it 50 years old in 2025.

What condition is 1st ST to Lp 1 NB over Uprr; 5th and 6th Sts 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 July 2023.

How much traffic does 1st ST to Lp 1 NB over Uprr; 5th and 6th Sts carry?

About 14,120 vehicles per day (2016 count), of which roughly 2% are trucks.

How long is 1st ST to Lp 1 NB over Uprr; 5th and 6th Sts?

The structure is 1,109 ft (338 m) long with a longest span of 114 ft (34.7 m) and a deck 42 ft wide.

Who owns 1st ST to Lp 1 NB over Uprr; 5th and 6th Sts?

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