US Bridges

Sth 32 over S Br Oconto River

Good

Oconto County, Wisconsin · 1.6M N JCT Cth M · Structure no. B42002100000000

Built
1975
50 years old, rebuilt 2022
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
120 ft
1 main span
Daily traffic
4,200
2021 count
Owner
State
State Highway Agency

About this bridge

Sth 32 over S Br Oconto River is a prestressed concrete stringer/multi-beam or girder carrying Sth 32 over S Br Oconto River in Oconto County, Wisconsin. It was built in 1975 and reconstructed in 2022, so it is 50 years old, older 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 4,200 vehicles a day, roughly 6% of them trucks, projected to reach 5,250 by 2042. The structure is 120 ft (36.5 m) long and 43 ft wide. If it were closed, the detour would be 93.8 mi (151 km).

CarriesSth 32
CrossesS Br Oconto River
Location1.6M N JCT Cth M
RouteState Highway 32
Coordinates45.02173, -88.41603
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.4 US tons
Inventory rating39.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length120 ft (36.5 m)
Longest span119 ft (36.3 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,200 (2021)
Projected traffic5,250 by 2042
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed93.8 mi (151 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sth 32 over S Br Oconto River built?

It was built in 1975, making it 50 years old in 2025. It was reconstructed in 2022.

What condition is Sth 32 over S Br Oconto 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 March 2023.

How much traffic does Sth 32 over S Br Oconto River carry?

About 4,200 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Sth 32 over S Br Oconto River?

The structure is 120 ft (36.5 m) long with a longest span of 119 ft (36.3 m) and a deck 43 ft wide.

Who owns Sth 32 over S Br Oconto River?

It is owned by the State Highway Agency.