US Bridges

Sth 38-NORTHWESTER over Root River

Good

Racine County, Wisconsin · 2.7M N JCT Sth 32 · Structure no. B51015700000000

Built
2024
1 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
155 ft
1 main span
Daily traffic
26,500
2021 count
Owner
State
State Highway Agency

About this bridge

Sth 38-NORTHWESTER over Root River is a prestressed concrete stringer/multi-beam or girder carrying Sth 38-NORTHWESTER over Root River in Racine County, Wisconsin. It was built in 2024, so it is 1 years old, younger than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 26,500 vehicles a day, roughly 5% of them trucks, projected to reach 34,700 by 2042. The structure is 155 ft (47.1 m) long and 110 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSth 38-NORTHWESTER
CrossesRoot River
Location2.7M N JCT Sth 32
RouteState Highway 38
Coordinates42.75182, -87.82449
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating44.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length155 ft (47.1 m)
Longest span150 ft (45.7 m)
Deck width110 ft (33.6 m)
Roadway width96 ft (29.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,500 (2021)
Projected traffic34,700 by 2042
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sth 38-NORTHWESTER over Root River built?

It was built in 2024, making it 1 years old in 2025.

What condition is Sth 38-NORTHWESTER over Root River 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 October 2024.

How much traffic does Sth 38-NORTHWESTER over Root River carry?

About 26,500 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Sth 38-NORTHWESTER over Root River?

The structure is 155 ft (47.1 m) long with a longest span of 150 ft (45.7 m) and a deck 110 ft wide.

Who owns Sth 38-NORTHWESTER over Root River?

It is owned by the State Highway Agency.