US Bridges

FR 2174 over Pine River

Poor

Forest County, Wisconsin · 2.8 MI W of JCT Sth 55 · Structure no. 090602000001001

Built
1949
76 years old, rebuilt 1984
Condition
Poor
inspected September 2024
Type
Channel Beam
Prestressed Concrete
Length
27 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 channel beam carrying FR 2174 over Pine River in Forest County, Wisconsin. It was built in 1949 and reconstructed in 1984, so it is 76 years old, older 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 50 vehicles a day, projected to reach 100 by 2012. The structure is 27 ft (8.1 m) long and 24 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

CarriesFR 2174
CrossesPine River
Location2.8 MI W of JCT Sth 55
RouteFederal Lands Road 2174
Coordinates45.92907, -88.86083
Functional classRural Local

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
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 protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating41.4 US tons
Inventory rating31.7 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length27 ft (8.1 m)
Longest span25 ft (7.7 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 closed26.7 mi (43 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 1949, making it 76 years old in 2025. It was reconstructed in 1984.

What condition is FR 2174 over Pine 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 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 27 ft (8.1 m) long with a longest span of 25 ft (7.7 m) and a deck 24 ft wide.

Who owns FR 2174 over Pine River?

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