US Bridges

Northwest Blvd over IH 35

Good

Williamson County, Texas · 1.9 MI N of SH 29 · Structure no. 142460001508748

Built
2020
5 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
445 ft
4 main spans
Daily traffic
2,971
2015 count
Owner
State
State Highway Agency

About this bridge

Northwest Blvd over IH 35 is a prestressed concrete stringer/multi-beam or girder carrying Northwest Blvd over IH 35 in Williamson County, Texas. It was built in 2020, so it is 5 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 2,971 vehicles a day, roughly 3% of them trucks, projected to reach 4,159 by 2041. The structure is 445 ft (135.6 m) long and 68 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNorthwest Blvd
CrossesIH 35
Location1.9 MI N of SH 29
RouteInterstate 35
StateTexas
Coordinates30.65562, -97.6749
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.
Substructure8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length445 ft (135.6 m)
Longest span130 ft (39.6 m)
Deck width68 ft (20.7 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,971 (2015)
Projected traffic4,159 by 2041
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo
Strategic Highway NetworkInterstate STRAHNET route

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 Northwest Blvd over IH 35 built?

It was built in 2020, making it 5 years old in 2025.

What condition is Northwest Blvd 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 March 2023.

How much traffic does Northwest Blvd over IH 35 carry?

About 2,971 vehicles per day (2015 count), of which roughly 3% are trucks.

How long is Northwest Blvd over IH 35?

The structure is 445 ft (135.6 m) long with a longest span of 130 ft (39.6 m) and a deck 68 ft wide.

Who owns Northwest Blvd over IH 35?

It is owned by the State Highway Agency.