US Bridges

Sth 22 SB over Sth 29

Fair

Shawano County, Wisconsin · 0.5M S JCT Cth B · Structure no. B58008600000000

Built
1996
29 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
228 ft
2 main spans
Daily traffic
3,800
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 22 SB over Sth 29 is a prestressed concrete continuous stringer/multi-beam or girder carrying Sth 22 SB over Sth 29 in Shawano County, Wisconsin. It was built in 1996, so it is 29 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 3,800 vehicles a day, roughly 10% of them trucks, projected to reach 9,840 by 2042. The structure is 228 ft (69.6 m) long and 45 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

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CarriesSth 22 SB
CrossesSth 29
Location0.5M S JCT Cth B
RouteState Highway 22
CountyShawano County
StateWisconsin
Coordinates44.75484, -88.61295
Functional classRural Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.7 US tons
Inventory rating41.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length228 ft (69.6 m)
Longest span116 ft (35.4 m)
Deck width45 ft (13.7 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,800 (2022)
Projected traffic9,840 by 2042
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed5.6 mi (9 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sth 22 SB over Sth 29 built?

It was built in 1996, making it 29 years old in 2025.

What condition is Sth 22 SB over Sth 29 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 October 2024.

How much traffic does Sth 22 SB over Sth 29 carry?

About 3,800 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Sth 22 SB over Sth 29?

The structure is 228 ft (69.6 m) long with a longest span of 116 ft (35.4 m) and a deck 45 ft wide.

Who owns Sth 22 SB over Sth 29?

It is owned by the State Highway Agency.