US Bridges

Cth Gg over E Fk Chippewa River

Fair

Ashland County, Wisconsin · 8.0M N JCT Sth 70 · Structure no. B02000700000000

Built
1948
77 years old, rebuilt 1966
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
75 ft
2 main spans
Daily traffic
291
2024 count
Owner
County
County Highway Agency

About this bridge

Cth Gg over E Fk Chippewa River is a steel stringer/multi-beam or girder carrying Cth Gg over E Fk Chippewa River in Ashland County, Wisconsin. It was built in 1948 and reconstructed in 1966, so it is 77 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 5 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 291 vehicles a day, projected to reach 306 by 2043. The structure is 75 ft (22.8 m) long and 32 ft wide. If it were closed, the detour would be 59.7 mi (96 km).

CarriesCth Gg
CrossesE Fk Chippewa River
Location8.0M N JCT Sth 70
RouteCounty Highway 0GG
Coordinates45.9965, -90.85831
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating25 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length75 ft (22.8 m)
Longest span36 ft (11 m)
Deck width32 ft (9.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic291 (2024)
Projected traffic306 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed59.7 mi (96 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 Gg over E Fk Chippewa River built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1966.

What condition is Cth Gg 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 Gg over E Fk Chippewa River carry?

About 291 vehicles per day (2024 count).

How long is Cth Gg over E Fk Chippewa River?

The structure is 75 ft (22.8 m) long with a longest span of 36 ft (11 m) and a deck 32 ft wide.

Who owns Cth Gg over E Fk Chippewa River?

It is owned by the County Highway Agency.