US Bridges

Cth N over E Fk Chippewa River

Fair

Ashland County, Wisconsin · 3.3M E JCT Sth 13 · Structure no. B02003400000000

Built
1990
35 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
40 ft
1 main span
Daily traffic
90
2024 count
Owner
County
County Highway Agency

About this bridge

Cth N over E Fk Chippewa River is a concrete slab carrying Cth N over E Fk Chippewa River in Ashland County, Wisconsin. It was built in 1990, so it is 35 years old, younger 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 90 vehicles a day, roughly 11% of them trucks, projected to reach 89 by 2043. The structure is 40 ft (12.2 m) long and 28 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesCth N
CrossesE Fk Chippewa River
Location3.3M E JCT Sth 13
RouteCounty Highway 0N
Coordinates46.14127, -90.51388
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 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 rating66.6 US tons
Inventory rating39.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span38 ft (11.6 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2024)
Projected traffic89 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 N over E Fk Chippewa River built?

It was built in 1990, making it 35 years old in 2025.

What condition is Cth N over E Fk Chippewa 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 August 2024.

How much traffic does Cth N over E Fk Chippewa River carry?

About 90 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Cth N over E Fk Chippewa River?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 28 ft wide.

Who owns Cth N over E Fk Chippewa River?

It is owned by the County Highway Agency.