US Bridges

Cth B over E Fk Chippewa River

Poor

Sawyer County, Wisconsin · 0.7M W JCT Cth W · Structure no. B57005500000000

Built
1997
28 years old
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
219 ft
3 main spans
Daily traffic
778
2024 count
Owner
County
County Highway Agency

About this bridge

Cth B over E Fk Chippewa River is a prestressed concrete stringer/multi-beam or girder carrying Cth B over E Fk Chippewa River in Sawyer 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 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 778 vehicles a day, projected to reach 834 by 2043. The structure is 219 ft (66.6 m) long and 32 ft wide. If it were closed, the detour would be 47.8 mi (77 km).

CarriesCth B
CrossesE Fk Chippewa River
Location0.7M W JCT Cth W
RouteCounty Highway 0B
Coordinates45.90485, -91.04231
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating79.1 US tons
Inventory rating41.1 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length219 ft (66.6 m)
Longest span108 ft (32.9 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic778 (2024)
Projected traffic834 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed47.8 mi (77 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$1.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth B over E Fk Chippewa River built?

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

What condition is Cth B over E Fk Chippewa River 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 August 2024.

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

About 778 vehicles per day (2024 count).

How long is Cth B over E Fk Chippewa River?

The structure is 219 ft (66.6 m) long with a longest span of 108 ft (32.9 m) and a deck 32 ft wide.

Who owns Cth B over E Fk Chippewa River?

It is owned by the County Highway Agency.