US Bridges

Lp 1 NB Exit Ramp over 1st & 6th ST NB Ramps

Fair

Travis County, Texas · 1.3 MI N of FM 2244 · Structure no. 142270313601036

Built
1982
43 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
372 ft
4 main spans
Daily traffic
14,120
2013 count
Owner
State
State Highway Agency

About this bridge

Lp 1 NB Exit Ramp over 1st & 6th ST NB Ramps is a prestressed concrete stringer/multi-beam or girder carrying Lp 1 NB Exit Ramp over 1st & 6th ST NB Ramps in Travis County, Texas. It was built in 1982, so it is 43 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 14,120 vehicles a day, roughly 2% of them trucks, projected to reach 19,760 by 2033. The structure is 372 ft (113.4 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesLp 1 NB Exit Ramp
Crosses1st & 6th ST NB Ramps
Location1.3 MI N of FM 2244
RouteState Highway 1
CountyTravis County
StateTexas
Coordinates30.27943, -97.76715
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 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 loadHS 20
Structure length372 ft (113.4 m)
Longest span97 ft (29.6 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,120 (2013)
Projected traffic19,760 by 2033
Trucks2%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 Exit Ramp over 1st & 6th ST NB Ramps built?

It was built in 1982, making it 43 years old in 2025.

What condition is Lp 1 NB Exit Ramp over 1st & 6th ST NB Ramps 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 Exit Ramp over 1st & 6th ST NB Ramps carry?

About 14,120 vehicles per day (2013 count), of which roughly 2% are trucks.

How long is Lp 1 NB Exit Ramp over 1st & 6th ST NB Ramps?

The structure is 372 ft (113.4 m) long with a longest span of 97 ft (29.6 m) and a deck 30 ft wide.

Who owns Lp 1 NB Exit Ramp over 1st & 6th ST NB Ramps?

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