US Bridges

Cth M over Fenwood Creek

Good

Marathon County, Wisconsin · 1.1M S JCT Cth P · Structure no. B37044600000000

Built
2020
5 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete Continuous
Length
91 ft
2 main spans
Daily traffic
688
2024 count
Owner
County
County Highway Agency

About this bridge

Cth M over Fenwood Creek is a concrete continuous slab carrying Cth M over Fenwood Creek in Marathon County, Wisconsin. It was built in 2020, so it is 5 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 688 vehicles a day, roughly 6% of them trucks, projected to reach 900 by 2040. The structure is 91 ft (27.6 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCth M
CrossesFenwood Creek
Location1.1M S JCT Cth P
RouteCounty Highway 0M
Coordinates44.84368, -90.00452
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 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating46.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length91 ft (27.6 m)
Longest span44 ft (13.4 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic688 (2024)
Projected traffic900 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Fenwood Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is Cth M over Fenwood Creek 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 Fenwood Creek carry?

About 688 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Cth M over Fenwood Creek?

The structure is 91 ft (27.6 m) long with a longest span of 44 ft (13.4 m) and a deck 32 ft wide.

Who owns Cth M over Fenwood Creek?

It is owned by the County Highway Agency.