US Bridges

IH 35 NB FR over Williamson Creek

Good

Travis County, Texas · 1.1 MI S of SH 71 · Structure no. 142270001513674

Built
2017
8 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
191 ft
2 main spans
Daily traffic
7,690
2013 count
Owner
State
State Highway Agency

About this bridge

IH 35 NB FR over Williamson Creek is a prestressed concrete stringer/multi-beam or girder carrying IH 35 NB FR over Williamson Creek in Travis County, Texas. It was built in 2017, so it is 8 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 7,690 vehicles a day, roughly 10% of them trucks, projected to reach 10,770 by 2033. The structure is 191 ft (58.2 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIH 35 NB FR
CrossesWilliamson Creek
Location1.1 MI S of SH 71
RouteState Highway 35
CountyTravis County
StateTexas
Coordinates30.20134, -97.76118
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than 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

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+1 approach)
Design loadHL 93
Structure length191 ft (58.2 m)
Longest span75 ft (22.9 m)
Deck width50 ft (15.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,690 (2013)
Projected traffic10,770 by 2033
Trucks10%
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 Williamson Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is IH 35 NB FR over Williamson 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 IH 35 NB FR over Williamson Creek carry?

About 7,690 vehicles per day (2013 count), of which roughly 10% are trucks.

How long is IH 35 NB FR over Williamson Creek?

The structure is 191 ft (58.2 m) long with a longest span of 75 ft (22.9 m) and a deck 50 ft wide.

Who owns IH 35 NB FR over Williamson Creek?

It is owned by the State Highway Agency.