US Bridges

Lp 1 SB FR over Drain

Fair

Travis County, Texas · 7.2 MI S of US 183 · Structure no. 142270313601045

Built
1975
50 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
31 ft
4 main spans
Daily traffic
26,192
2015 count
Owner
State
State Highway Agency

About this bridge

Lp 1 SB FR over Drain is a concrete culvert carrying Lp 1 SB FR over Drain 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 26,192 vehicles a day, roughly 2% of them trucks, projected to reach 20,700 by 2033. The structure is 31 ft (9.4 m) long.

Location

Open in Google Maps
CarriesLp 1 SB FR
CrossesDrain
Location7.2 MI S of US 183
RouteState Highway 1
CountyTravis County
StateTexas
Coordinates30.28089, -97.76823
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,192 (2015)
Projected traffic20,700 by 2033
Trucks2%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lp 1 SB FR over Drain built?

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

What condition is Lp 1 SB FR over Drain 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 SB FR over Drain carry?

About 26,192 vehicles per day (2015 count), of which roughly 2% are trucks.

How long is Lp 1 SB FR over Drain?

The structure is 31 ft (9.4 m) long with a longest span of 7 ft (2.1 m).

Who owns Lp 1 SB FR over Drain?

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