US Bridges

IH 35 SB FR over Walnut Creek

Good

Travis County, Texas · 1.4 MI S of FM 734 · Structure no. 142270001513274

Built
1967
58 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
150 ft
1 main span
Daily traffic
11,000
2013 count
Owner
State
State Highway Agency

About this bridge

IH 35 SB FR over Walnut Creek is a prestressed concrete stringer/multi-beam or girder carrying IH 35 SB FR over Walnut Creek in Travis County, Texas. It was built in 1967, so it is 58 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 11,000 vehicles a day, roughly 12% of them trucks, projected to reach 15,410 by 2033. The structure is 150 ft (45.7 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 35 SB FR
CrossesWalnut Creek
Location1.4 MI S of FM 734
RouteInterstate 35
StateTexas
Coordinates30.38839, -97.6729
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating23 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadH 20
Structure length150 ft (45.7 m)
Longest span70 ft (21.3 m)
Deck width37 ft (11.4 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,000 (2013)
Projected traffic15,410 by 2033
Trucks12%
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 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 IH 35 SB FR over Walnut Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is IH 35 SB FR over Walnut 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 SB FR over Walnut Creek carry?

About 11,000 vehicles per day (2013 count), of which roughly 12% are trucks.

How long is IH 35 SB FR over Walnut Creek?

The structure is 150 ft (45.7 m) long with a longest span of 70 ft (21.3 m) and a deck 37 ft wide.

Who owns IH 35 SB FR over Walnut Creek?

It is owned by the State Highway Agency.