US Bridges

FR106 over Mondeaux River

Fair

Taylor County, Wisconsin · 1.9 M. E. JCT Cth E · Structure no. 090203000001028

Built
1985
40 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
82 ft
1 main span
Daily traffic
50
1983 count
Owner
Federal
U.S. Forest Service

About this bridge

FR106 over Mondeaux River is a steel stringer/multi-beam or girder carrying FR106 over Mondeaux River in Taylor County, Wisconsin. It was built in 1985, so it is 40 years old, younger 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 75 by 2045. The structure is 82 ft (25 m) long and 29 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesFR106
CrossesMondeaux River
Location1.9 M. E. JCT Cth E
RouteFederal Lands Road 106
Coordinates45.33462, -90.45017
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 rating49.3 US tons
Inventory rating38.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length82 ft (25 m)
Longest span77 ft (23.4 m)
Deck width29 ft (8.8 m)
Roadway width27 ft (8.2 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 closed7.5 mi (12 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 FR106 over Mondeaux River built?

It was built in 1985, making it 40 years old in 2025.

What condition is FR106 over Mondeaux 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 FR106 over Mondeaux River carry?

About 50 vehicles per day (1983 count).

How long is FR106 over Mondeaux River?

The structure is 82 ft (25 m) long with a longest span of 77 ft (23.4 m) and a deck 29 ft wide.

Who owns FR106 over Mondeaux River?

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