US Bridges

Sth 32-MAIN ST over Oconto River

Good

Oconto County, Wisconsin · 2.8M N JCT Cth Z · Structure no. B42006400000000

Built
1999
26 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
164 ft
2 main spans
Daily traffic
2,300
2021 count
Owner
State
State Highway Agency

About this bridge

Sth 32-MAIN ST over Oconto River is a prestressed concrete continuous stringer/multi-beam or girder carrying Sth 32-MAIN ST over Oconto River in Oconto County, Wisconsin. It was built in 1999, so it is 26 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 2,300 vehicles a day, roughly 7% of them trucks, projected to reach 3,810 by 2042. The structure is 164 ft (49.9 m) long and 51 ft wide. If it were closed, the detour would be 92.6 mi (149 km).

CarriesSth 32-MAIN ST
CrossesOconto River
Location2.8M N JCT Cth Z
RouteState Highway 32
Coordinates44.99909, -88.38034
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.7 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length164 ft (49.9 m)
Longest span80 ft (24.3 m)
Deck width51 ft (15.6 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2021)
Projected traffic3,810 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed92.6 mi (149 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-MAIN ST over Oconto River built?

It was built in 1999, making it 26 years old in 2025.

What condition is Sth 32-MAIN ST over 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-MAIN ST over Oconto River carry?

About 2,300 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is Sth 32-MAIN ST over Oconto River?

The structure is 164 ft (49.9 m) long with a longest span of 80 ft (24.3 m) and a deck 51 ft wide.

Who owns Sth 32-MAIN ST over Oconto River?

It is owned by the State Highway Agency.