US Bridges

FR121 over Yellow River

Fair

Taylor County, Wisconsin · 0.1 M. E. JCT Cth G · Structure no. 090203000001032

Built
1969
56 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
94 ft
3 main spans
Daily traffic
50
1983 count
Owner
Federal
U.S. Forest Service

About this bridge

FR121 over Yellow River is a wood or timber stringer/multi-beam or girder carrying FR121 over Yellow River in Taylor County, Wisconsin. It was built in 1969, so it is 56 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 94 ft (28.8 m) long and 27 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesFR121
CrossesYellow River
Location0.1 M. E. JCT Cth G
RouteFederal Lands Road 121
Coordinates45.19168, -90.7256
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating32.8 US tons
Inventory rating25.4 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHL 93
Structure length94 ft (28.8 m)
Longest span31 ft (9.4 m)
Deck width27 ft (8.3 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (1983)
Projected traffic75 by 2045
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 FR121 over Yellow River built?

It was built in 1969, making it 56 years old in 2025.

What condition is FR121 over Yellow 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 July 2023.

How much traffic does FR121 over Yellow River carry?

About 50 vehicles per day (1983 count).

How long is FR121 over Yellow River?

The structure is 94 ft (28.8 m) long with a longest span of 31 ft (9.4 m) and a deck 27 ft wide.

Who owns FR121 over Yellow River?

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