US Bridges

IH 35 over West Fork Smith Branch

Fair

Williamson County, Texas · 0.7 MI S of FM 2243 · Structure no. 142460001509258

Built
1965
60 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
111,733
2020 count
Owner
State
State Highway Agency

About this bridge

IH 35 over West Fork Smith Branch is a concrete culvert carrying IH 35 over West Fork Smith Branch in Williamson County, Texas. It was built in 1965, so it is 60 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 111,733 vehicles a day, roughly 13% of them trucks, projected to reach 175,760 by 2039. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIH 35
CrossesWest Fork Smith Branch
Location0.7 MI S of FM 2243
RouteInterstate 35
CountyWilliamson County
StateTexas
Coordinates30.61122, -97.68688
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 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 spans3
Design loadHS 20
Structure length32 ft (9.8 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 traffic111,733 (2020)
Projected traffic175,760 by 2039
Trucks13%
Lanes on structure6
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 over West Fork Smith Branch built?

It was built in 1965, making it 60 years old in 2025.

What condition is IH 35 over West Fork Smith Branch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2023.

How much traffic does IH 35 over West Fork Smith Branch carry?

About 111,733 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is IH 35 over West Fork Smith Branch?

The structure is 32 ft (9.8 m) long with a longest span of 7 ft (2.1 m).

Who owns IH 35 over West Fork Smith Branch?

It is owned by the State Highway Agency.