US Bridges

Cth M over Wolf River

Good

Langlade County, Wisconsin · 0.1M W JCT Sth 55 · Structure no. B34001400000000

Built
1985
40 years old, rebuilt 2018
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
100 ft
1 main span
Daily traffic
173
2024 count
Owner
County
County Highway Agency

About this bridge

Cth M over Wolf River is a prestressed concrete stringer/multi-beam or girder carrying Cth M over Wolf River in Langlade County, Wisconsin. It was built in 1985 and reconstructed in 2018, so it is 40 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 173 vehicles a day, projected to reach 180 by 2043. The structure is 100 ft (30.5 m) long and 34 ft wide. If it were closed, the detour would be 17.4 mi (28 km).

CarriesCth M
CrossesWolf River
Location0.1M W JCT Sth 55
RouteCounty Highway 0M
Coordinates45.12614, -88.66303
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length100 ft (30.5 m)
Longest span98 ft (29.9 m)
Deck width34 ft (10.5 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic173 (2024)
Projected traffic180 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed17.4 mi (28 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 M over Wolf River built?

It was built in 1985, making it 40 years old in 2025. It was reconstructed in 2018.

What condition is Cth M over Wolf 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 October 2024.

How much traffic does Cth M over Wolf River carry?

About 173 vehicles per day (2024 count).

How long is Cth M over Wolf River?

The structure is 100 ft (30.5 m) long with a longest span of 98 ft (29.9 m) and a deck 34 ft wide.

Who owns Cth M over Wolf River?

It is owned by the County Highway Agency.