US Bridges

IH 35 NB FR over Slaughter Creek

Good

Travis County, Texas · 5.10 MI S of SH 71 · Structure no. 142270001601190

Built
1990
35 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
310 ft
3 main spans
Daily traffic
18,430
2023 count
Owner
State
State Highway Agency

About this bridge

IH 35 NB FR over Slaughter Creek is a prestressed concrete stringer/multi-beam or girder carrying IH 35 NB FR over Slaughter Creek 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 18,430 vehicles a day, roughly 5% of them trucks, projected to reach 14,290 by 2036. The structure is 310 ft (94.5 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesIH 35 NB FR
CrossesSlaughter Creek
Location5.10 MI S of SH 71
CountyTravis County
StateTexas
Coordinates30.15283, -97.79126
Functional classUrban Collector

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 inspectionNovember 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length310 ft (94.5 m)
Longest span110 ft (33.5 m)
Deck width38 ft (11.6 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,430 (2023)
Projected traffic14,290 by 2036
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 IH 35 NB FR over Slaughter Creek built?

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

What condition is IH 35 NB FR 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 November 2024.

How much traffic does IH 35 NB FR over Slaughter Creek carry?

About 18,430 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is IH 35 NB FR over Slaughter Creek?

The structure is 310 ft (94.5 m) long with a longest span of 110 ft (33.5 m) and a deck 38 ft wide.

Who owns IH 35 NB FR over Slaughter Creek?

It is owned by the State Highway Agency.