US Bridges

Westinghouse S T/A over IH 35

Good

Williamson County, Texas · 1.3 MI N of FM 1431 · Structure no. 142460001509501

Built
2007
18 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
348 ft
2 main spans
Daily traffic
19,200
2015 count
Owner
State
State Highway Agency

About this bridge

Westinghouse S T/A over IH 35 is a prestressed concrete stringer/multi-beam or girder carrying Westinghouse S T/A over IH 35 in Williamson County, Texas. It was built in 2007, so it is 18 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 19,200 vehicles a day, roughly 23% of them trucks, projected to reach 31,100 by 2035. The structure is 348 ft (106.1 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesWestinghouse S T/A
CrossesIH 35
Location1.3 MI N of FM 1431
RouteState Highway 35
CountyWilliamson County
StateTexas
Coordinates30.57713, -97.69279
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length348 ft (106.1 m)
Longest span120 ft (36.6 m)
Deck width28 ft (8.5 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,200 (2015)
Projected traffic31,100 by 2035
Trucks23%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Westinghouse S T/A over IH 35 built?

It was built in 2007, making it 18 years old in 2025.

What condition is Westinghouse S T/A over IH 35 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 February 2023.

How much traffic does Westinghouse S T/A over IH 35 carry?

About 19,200 vehicles per day (2015 count), of which roughly 23% are trucks.

How long is Westinghouse S T/A over IH 35?

The structure is 348 ft (106.1 m) long with a longest span of 120 ft (36.6 m) and a deck 28 ft wide.

Who owns Westinghouse S T/A over IH 35?

It is owned by the State Highway Agency.