US Bridges

Lp 1 SB over Slaughter Creek

Good

Travis County, Texas · 0.35 MI S of Slaughter LN · Structure no. 142270313601117

Built
1991
34 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
280 ft
4 main spans
Daily traffic
27,987
2023 count
Owner
State
State Highway Agency

About this bridge

Lp 1 SB over Slaughter Creek is a prestressed concrete stringer/multi-beam or girder carrying Lp 1 SB over Slaughter Creek in Travis County, Texas. It was built in 1991, so it is 34 years old, younger 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 27,987 vehicles a day, roughly 4% of them trucks, projected to reach 46,459 by 2042. The structure is 280 ft (85.3 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLp 1 SB
CrossesSlaughter Creek
Location0.35 MI S of Slaughter LN
RouteState Highway 1
StateTexas
Coordinates30.19608, -97.86938
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length280 ft (85.3 m)
Longest span70 ft (21.3 m)
Deck width52 ft (15.9 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,987 (2023)
Projected traffic46,459 by 2042
Trucks4%
Lanes on structure3
Traffic directionOne-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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lp 1 SB over Slaughter Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Lp 1 SB over Slaughter 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 1 SB over Slaughter Creek carry?

About 27,987 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Lp 1 SB over Slaughter Creek?

The structure is 280 ft (85.3 m) long with a longest span of 70 ft (21.3 m) and a deck 52 ft wide.

Who owns Lp 1 SB over Slaughter Creek?

It is owned by the State Highway Agency.