US Bridges

Lp 275(S Congress) over Boggy Creek

Good

Travis County, Texas · 3.1 MI S of SH 71 · Structure no. 142270001601002

Built
1935
90 years old, rebuilt 1994
Condition
Good
inspected August 2024
Type
Tee Beam
Concrete
Length
86 ft
3 main spans
Daily traffic
17,462
2022 count
Owner
State
State Highway Agency

About this bridge

Lp 275(S Congress) over Boggy Creek is a concrete tee beam carrying Lp 275(S Congress) over Boggy Creek in Travis County, Texas. It was built in 1935 and reconstructed in 1994, so it is 90 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 17,462 vehicles a day, roughly 3% of them trucks, projected to reach 32,479 by 2042. The structure is 86 ft (26.2 m) long and 85 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLp 275(S Congress)
CrossesBoggy Creek
Location3.1 MI S of SH 71
RouteState Highway 275
StateTexas
Coordinates30.18109, -97.78273
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length86 ft (26.2 m)
Longest span29 ft (8.8 m)
Deck width85 ft (25.9 m)
Roadway width70 ft (21.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,462 (2022)
Projected traffic32,479 by 2042
Trucks3%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
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(S Congress) over Boggy Creek built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1994.

What condition is Lp 275(S Congress) over Boggy 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 2024.

How much traffic does Lp 275(S Congress) over Boggy Creek carry?

About 17,462 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Lp 275(S Congress) over Boggy Creek?

The structure is 86 ft (26.2 m) long with a longest span of 29 ft (8.8 m) and a deck 85 ft wide.

Who owns Lp 275(S Congress) over Boggy Creek?

It is owned by the State Highway Agency.