US Bridges

Cth E over Chippewa River 21

Fair

Rusk County, Wisconsin · 0.1M N JCT Cth D--17 · Structure no. B54007000000000

Built
1997
28 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
409 ft
4 main spans
Daily traffic
540
2024 count
Owner
County
County Highway Agency

About this bridge

Cth E over Chippewa River 21 is a prestressed concrete continuous stringer/multi-beam or girder carrying Cth E over Chippewa River 21 in Rusk County, Wisconsin. It was built in 1997, so it is 28 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 540 vehicles a day, projected to reach 584 by 2043. The structure is 409 ft (124.8 m) long and 32 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

Location

Open in Google Maps
CarriesCth E
CrossesChippewa River 21
Location0.1M N JCT Cth D--17
RouteCounty Highway 0E
CountyRusk County
StateWisconsin
Coordinates45.29722, -91.23553
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.
Superstructure9 ExcellentNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.5 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length409 ft (124.8 m)
Longest span102 ft (31 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic540 (2024)
Projected traffic584 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 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 E over Chippewa River 21 built?

It was built in 1997, making it 28 years old in 2025.

What condition is Cth E over Chippewa River 21 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 April 2024.

How much traffic does Cth E over Chippewa River 21 carry?

About 540 vehicles per day (2024 count).

How long is Cth E over Chippewa River 21?

The structure is 409 ft (124.8 m) long with a longest span of 102 ft (31 m) and a deck 32 ft wide.

Who owns Cth E over Chippewa River 21?

It is owned by the County Highway Agency.