US Bridges

Sth 31 NB over North Br. Pike River

Good

Kenosha County, Wisconsin · 0.7 MI N JCT Cth a · Structure no. B30008100000000

Built
2000
25 years old
Condition
Good
inspected August 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
81 ft
1 main span
Daily traffic
11,000
2021 count
Owner
State
State Highway Agency

About this bridge

Sth 31 NB over North Br. Pike River is a prestressed concrete stringer/multi-beam or girder carrying Sth 31 NB over North Br. Pike River in Kenosha County, Wisconsin. It was built in 2000, so it is 25 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 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 11,000 vehicles a day, roughly 8% of them trucks, projected to reach 13,200 by 2041. The structure is 81 ft (24.8 m) long and 53 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSth 31 NB
CrossesNorth Br. Pike River
Location0.7 MI N JCT Cth a
RouteState Highway 31
Coordinates42.664, -87.872
Functional classRural Principal Arterial - Other

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal 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 rating79.1 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length81 ft (24.8 m)
Longest span79 ft (24 m)
Deck width53 ft (16.2 m)
Roadway width51 ft (15.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,000 (2021)
Projected traffic13,200 by 2041
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 31 NB over North Br. Pike River built?

It was built in 2000, making it 25 years old in 2025.

What condition is Sth 31 NB over North Br. Pike 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 August 2022.

How much traffic does Sth 31 NB over North Br. Pike River carry?

About 11,000 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Sth 31 NB over North Br. Pike River?

The structure is 81 ft (24.8 m) long with a longest span of 79 ft (24 m) and a deck 53 ft wide.

Who owns Sth 31 NB over North Br. Pike River?

It is owned by the State Highway Agency.