US Bridges

IH 35 over Slaughter Lane

Good

Travis County, Texas · 3.80 MI S of SH 71 · Structure no. 142270001513425

Built
1990
35 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
321 ft
3 main spans
Daily traffic
115,585
2020 count
Owner
State
State Highway Agency

About this bridge

IH 35 over Slaughter Lane is a prestressed concrete stringer/multi-beam or girder carrying IH 35 over Slaughter Lane in Travis County, Texas. It was built in 1990, so it is 35 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 115,585 vehicles a day, roughly 12% of them trucks, projected to reach 160,480 by 2036. The structure is 321 ft (97.8 m) long and 145 ft wide.

CarriesIH 35
CrossesSlaughter Lane
Location3.80 MI S of SH 71
RouteInterstate 35
StateTexas
Coordinates30.16705, -97.78607
Functional classUrban Principal Arterial - Interstate

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.
Last inspectionAugust 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than 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

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length321 ft (97.8 m)
Longest span121 ft (36.9 m)
Deck width145 ft (44.2 m)
Roadway width139 ft (42.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic115,585 (2020)
Projected traffic160,480 by 2036
Trucks12%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 35 over Slaughter Lane built?

It was built in 1990, making it 35 years old in 2025.

What condition is IH 35 over Slaughter Lane 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 IH 35 over Slaughter Lane carry?

About 115,585 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is IH 35 over Slaughter Lane?

The structure is 321 ft (97.8 m) long with a longest span of 121 ft (36.9 m) and a deck 145 ft wide.

Who owns IH 35 over Slaughter Lane?

It is owned by the State Highway Agency.