US Bridges

IH 35 Ml & FR over Butternut Branch

Good

Travis County, Texas · 0.05 MI S of US 183 · Structure no. 142270001513090

Built
1953
72 years old, rebuilt 1962
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
35 ft
4 main spans
Daily traffic
176,077
2020 count
Owner
State
State Highway Agency

About this bridge

IH 35 Ml & FR over Butternut Branch is a concrete culvert carrying IH 35 Ml & FR over Butternut Branch in Travis County, Texas. It was built in 1953 and reconstructed in 1962, so it is 72 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 176,077 vehicles a day, roughly 9% of them trucks, projected to reach 265,680 by 2033. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 35 Ml & FR
CrossesButternut Branch
Location0.05 MI S of US 183
RouteInterstate 35
StateTexas
Coordinates30.33806, -97.7007
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
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
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadOther
Structure length35 ft (10.7 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic176,077 (2020)
Projected traffic265,680 by 2033
Trucks9%
Lanes on structure16
Traffic directionTwo-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 Ml & FR over Butternut Branch built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1962.

What condition is IH 35 Ml & FR over Butternut Branch 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 Ml & FR over Butternut Branch carry?

About 176,077 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is IH 35 Ml & FR over Butternut Branch?

The structure is 35 ft (10.7 m) long with a longest span of 7 ft (2.1 m).

Who owns IH 35 Ml & FR over Butternut Branch?

It is owned by the State Highway Agency.