US Bridges

Cth Dd over Muskrat Creek

Fair

Eau Claire County, Wisconsin · 0.5M E Cth D · Structure no. B18009400000000

Built
1981
44 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
72 ft
2 main spans
Daily traffic
470
2024 count
Owner
County
County Highway Agency

About this bridge

Cth Dd over Muskrat Creek is a concrete continuous slab carrying Cth Dd over Muskrat Creek in Eau Claire County, Wisconsin. It was built in 1981, so it is 44 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 470 vehicles a day, projected to reach 507 by 2043. The structure is 72 ft (22 m) long and 32 ft wide. If it were closed, the detour would be 20.5 mi (33 km).

CarriesCth Dd
CrossesMuskrat Creek
Location0.5M E Cth D
RouteCounty Highway 0DD
Coordinates44.82842, -91.02347
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length72 ft (22 m)
Longest span35 ft (10.7 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic470 (2024)
Projected traffic507 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed20.5 mi (33 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 Dd over Muskrat Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is Cth Dd over Muskrat Creek 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 September 2024.

How much traffic does Cth Dd over Muskrat Creek carry?

About 470 vehicles per day (2024 count).

How long is Cth Dd over Muskrat Creek?

The structure is 72 ft (22 m) long with a longest span of 35 ft (10.7 m) and a deck 32 ft wide.

Who owns Cth Dd over Muskrat Creek?

It is owned by the County Highway Agency.