US Bridges

FR 2174 over Pine River

Fair

Forest County, Wisconsin · 5.9 MI W of JCT Sth 55 · Structure no. 090602000001002

Built
1984
41 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
41 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

FR 2174 over Pine River is a prestressed concrete box beam or girders - multiple carrying FR 2174 over Pine River in Forest County, Wisconsin. It was built in 1984, so it is 41 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 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 50 vehicles a day, projected to reach 100 by 2012. The structure is 41 ft (12.4 m) long and 24 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

CarriesFR 2174
CrossesPine River
Location5.9 MI W of JCT Sth 55
RouteFederal Lands Road 21741
Coordinates45.85227, -88.89788
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating72.1 US tons
Inventory rating55.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length41 ft (12.4 m)
Longest span38 ft (11.7 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (—)
Projected traffic100 by 2012
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was FR 2174 over Pine River built?

It was built in 1984, making it 41 years old in 2025.

What condition is FR 2174 over Pine 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 September 2024.

How much traffic does FR 2174 over Pine River carry?

About 50 vehicles per day (latest count).

How long is FR 2174 over Pine River?

The structure is 41 ft (12.4 m) long with a longest span of 38 ft (11.7 m) and a deck 24 ft wide.

Who owns FR 2174 over Pine River?

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