US Bridges

Cth Q over S Br Manitowoc River

FairPosted for load

Fond du Lac County, Wisconsin · 0.1M W JCT Cth W to S · Structure no. B20068800000000

Built
1921
104 years old, rebuilt 1976
Condition
Fair
inspected October 2023
Type
Slab
Concrete
Length
20 ft
1 main span
Daily traffic
880
2021 count
Owner
County
County Highway Agency

About this bridge

Cth Q over S Br Manitowoc River is a concrete slab carrying Cth Q over S Br Manitowoc River in Fond du Lac County, Wisconsin. It was built in 1921 and reconstructed in 1976, so it is 104 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for other load-capacity restriction.

It carries about 880 vehicles a day, projected to reach 1,056 by 2041. The structure is 20 ft (6.2 m) long and 36 ft wide. If it were closed, the detour would be 15.5 mi (25 km).

Location

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CarriesCth Q
CrossesS Br Manitowoc River
Location0.1M W JCT Cth W to S
RouteCounty Highway 0Q
CountyFond du Lac County
StateWisconsin
Coordinates43.87747, -88.29153
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.2 US tons
Inventory rating19.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length20 ft (6.2 m)
Longest span20 ft (6.2 m)
Deck width36 ft (11.1 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic880 (2021)
Projected traffic1,056 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed15.5 mi (25 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Cth Q over S Br Manitowoc River built?

It was built in 1921, making it 104 years old in 2025. It was reconstructed in 1976.

What condition is Cth Q over S Br Manitowoc 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 October 2023.

How much traffic does Cth Q over S Br Manitowoc River carry?

About 880 vehicles per day (2021 count).

How long is Cth Q over S Br Manitowoc River?

The structure is 20 ft (6.2 m) long with a longest span of 20 ft (6.2 m) and a deck 36 ft wide.

Who owns Cth Q over S Br Manitowoc River?

It is owned by the County Highway Agency.