US Bridges

Sth 22 over Oconto River

Fair

Shawano County, Wisconsin · 1.8M N JCT Cth V · Structure no. B58011600000000

Built
2007
18 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
256 ft
3 main spans
Daily traffic
3,000
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 22 over Oconto River is a prestressed concrete stringer/multi-beam or girder carrying Sth 22 over Oconto River in Shawano County, Wisconsin. It was built in 2007, so it is 18 years old, younger than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,000 vehicles a day, projected to reach 3,000 by 2042. The structure is 256 ft (78 m) long and 47 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

Location

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CarriesSth 22
CrossesOconto River
Location1.8M N JCT Cth V
RouteState Highway 22
CountyShawano County
StateWisconsin
Coordinates44.83553, -88.37532
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.2 US tons
Inventory rating42.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length256 ft (78 m)
Longest span88 ft (26.8 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2022)
Projected traffic3,000 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 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 22 over Oconto River built?

It was built in 2007, making it 18 years old in 2025.

What condition is Sth 22 over Oconto River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does Sth 22 over Oconto River carry?

About 3,000 vehicles per day (2022 count).

How long is Sth 22 over Oconto River?

The structure is 256 ft (78 m) long with a longest span of 88 ft (26.8 m) and a deck 47 ft wide.

Who owns Sth 22 over Oconto River?

It is owned by the State Highway Agency.