US Bridges

Cth M over S Fk Copper Crk

Poor

Lincoln County, Wisconsin · 2.8M W JCT Sth 64 · Structure no. B35007900000000

Built
1980
45 years old
Condition
Poor
inspected June 2024
Type
Slab
Concrete Continuous
Length
63 ft
2 main spans
Daily traffic
302
2023 count
Owner
County
County Highway Agency

About this bridge

Cth M over S Fk Copper Crk is a concrete continuous slab carrying Cth M over S Fk Copper Crk in Lincoln County, Wisconsin. It was built in 1980, so it is 45 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 302 vehicles a day, projected to reach 321 by 2043. The structure is 63 ft (19.1 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCth M
CrossesS Fk Copper Crk
Location2.8M W JCT Sth 64
RouteCounty Highway 0M
Coordinates45.18515, -89.88557
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusOpen, no 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 rating62.8 US tons
Inventory rating37.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length63 ft (19.1 m)
Longest span30 ft (9.1 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic302 (2023)
Projected traffic321 by 2043
Trucks0%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$334,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth M over S Fk Copper Crk built?

It was built in 1980, making it 45 years old in 2025.

What condition is Cth M over S Fk Copper Crk in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does Cth M over S Fk Copper Crk carry?

About 302 vehicles per day (2023 count).

How long is Cth M over S Fk Copper Crk?

The structure is 63 ft (19.1 m) long with a longest span of 30 ft (9.1 m) and a deck 30 ft wide.

Who owns Cth M over S Fk Copper Crk?

It is owned by the County Highway Agency.