US Bridges

FR174 over W. Fk. Chippewa River

Good

Sawyer County, Wisconsin · 1.0 M. S. JCT Sth 77 · Structure no. 090204000001026

Built
1997
28 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
84 ft
2 main spans
Daily traffic
40
1978 count
Owner
Federal
U.S. Forest Service

About this bridge

FR174 over W. Fk. Chippewa River is a wood or timber stringer/multi-beam or girder carrying FR174 over W. 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 40 vehicles a day, projected to reach 60 by 2045. The structure is 84 ft (25.7 m) long and 24 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesFR174
CrossesW. Fk. Chippewa River
Location1.0 M. S. JCT Sth 77
RouteFederal Lands Road 174
CountySawyer County
StateWisconsin
Coordinates46.08076, -91.00341
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.5 US tons
Inventory rating59.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadHS 20
Structure length84 ft (25.7 m)
Longest span42 ft (12.9 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (1978)
Projected traffic60 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was FR174 over W. Fk. Chippewa River built?

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

What condition is FR174 over W. Fk. Chippewa River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does FR174 over W. Fk. Chippewa River carry?

About 40 vehicles per day (1978 count).

How long is FR174 over W. Fk. Chippewa River?

The structure is 84 ft (25.7 m) long with a longest span of 42 ft (12.9 m) and a deck 24 ft wide.

Who owns FR174 over W. Fk. Chippewa River?

It is owned by the U.S. Forest Service.