US Bridges

IH 35 NB Ml over Walnut Creek

Good

Travis County, Texas · 1.4 MI S of FM 734 · Structure no. 142270001513094

Built
1954
71 years old, rebuilt 1988
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
182 ft
3 main spans
Daily traffic
81,205
2018 count
Owner
State
State Highway Agency

About this bridge

IH 35 NB Ml over Walnut Creek is a steel continuous stringer/multi-beam or girder carrying IH 35 NB Ml over Walnut Creek in Travis County, Texas. It was built in 1954 and reconstructed in 1988, so it is 71 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 81,205 vehicles a day, roughly 10% of them trucks, projected to reach 99,610 by 2033. The structure is 182 ft (55.5 m) long and 65 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 35 NB Ml
CrossesWalnut Creek
Location1.4 MI S of FM 734
RouteInterstate 35
StateTexas
Coordinates30.38834, -97.67239
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum 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

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length182 ft (55.5 m)
Longest span70 ft (21.3 m)
Deck width65 ft (19.8 m)
Roadway width57 ft (17.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic81,205 (2018)
Projected traffic99,610 by 2033
Trucks10%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 NB Ml over Walnut Creek built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1988.

What condition is IH 35 NB Ml 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 NB Ml over Walnut Creek carry?

About 81,205 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is IH 35 NB Ml over Walnut Creek?

The structure is 182 ft (55.5 m) long with a longest span of 70 ft (21.3 m) and a deck 65 ft wide.

Who owns IH 35 NB Ml over Walnut Creek?

It is owned by the State Highway Agency.