US Bridges

Cth Mm over Wolf River

FairPosted for load

Chippewa County, Wisconsin · 0.9 M E Cth H · Structure no. B09002700000000

Built
1962
63 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete Continuous
Length
75 ft
2 main spans
Daily traffic
440
2023 count
Owner
County
County Highway Agency

About this bridge

Cth Mm over Wolf River is a concrete continuous slab carrying Cth Mm over Wolf River in Chippewa County, Wisconsin. It was built in 1962, so it is 63 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 440 vehicles a day, projected to reach 466 by 2042. The structure is 75 ft (22.9 m) long and 29 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesCth Mm
CrossesWolf River
Location0.9 M E Cth H
RouteCounty Highway 0MM
CountyChippewa County
StateWisconsin
Coordinates44.92997, -90.92297
Functional classRural Local

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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating37.8 US tons
Inventory rating21.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length75 ft (22.9 m)
Longest span36 ft (11 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic440 (2023)
Projected traffic466 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Mm over Wolf River built?

It was built in 1962, making it 63 years old in 2025.

What condition is Cth Mm over Wolf 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 Mm over Wolf River carry?

About 440 vehicles per day (2023 count).

How long is Cth Mm over Wolf River?

The structure is 75 ft (22.9 m) long with a longest span of 36 ft (11 m) and a deck 29 ft wide.

Who owns Cth Mm over Wolf River?

It is owned by the County Highway Agency.