US Bridges

Lp 275 (lamar) over Little Walnut Creek

Good

Travis County, Texas · 0.1 MI S of Peyton Gin RD · Structure no. 142270001511053

Built
1932
93 years old, rebuilt 1973
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
72 ft
8 main spans
Daily traffic
27,380
2020 count
Owner
State
State Highway Agency

About this bridge

Lp 275 (lamar) over Little Walnut Creek is a concrete culvert carrying Lp 275 (lamar) over Little Walnut Creek in Travis County, Texas. It was built in 1932 and reconstructed in 1973, so it is 93 years old, older 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 27,380 vehicles a day, roughly 1% of them trucks, projected to reach 45,210 by 2033. The structure is 72 ft (21.9 m) long and 84 ft wide.

Location

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CarriesLp 275 (lamar)
CrossesLittle Walnut Creek
Location0.1 MI S of Peyton Gin RD
RouteState Highway 275
CountyTravis County
StateTexas
Coordinates30.35734, -97.70037
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 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
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadUnknown
Structure length72 ft (21.9 m)
Longest span8 ft (2.4 m)
Deck width84 ft (25.5 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,380 (2020)
Projected traffic45,210 by 2033
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
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 275 (lamar) over Little Walnut Creek built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1973.

What condition is Lp 275 (lamar) over Little Walnut Creek 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 August 2023.

How much traffic does Lp 275 (lamar) over Little Walnut Creek carry?

About 27,380 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Lp 275 (lamar) over Little Walnut Creek?

The structure is 72 ft (21.9 m) long with a longest span of 8 ft (2.4 m) and a deck 84 ft wide.

Who owns Lp 275 (lamar) over Little Walnut Creek?

It is owned by the State Highway Agency.