US Bridges

FR196 over Marengo River

FairPosted for load

Bayfield County, Wisconsin · 5.0 M. N. JCT Cth M · Structure no. 090204000001022

Built
1950
75 years old
Condition
Fair
inspected July 2023
Type
Slab
Concrete
Length
24 ft
1 main span
Daily traffic
20
1978 count
Owner
Federal
U.S. Forest Service

About this bridge

FR196 over Marengo River is a concrete slab carrying FR196 over Marengo River in Bayfield County, Wisconsin. It was built in 1950, so it is 75 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. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, projected to reach 30 by 2045. The structure is 24 ft (7.2 m) long and 18 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

Location

Open in Google Maps
CarriesFR196
CrossesMarengo River
Location5.0 M. N. JCT Cth M
RouteFederal Lands Road 196
CountyBayfield County
StateWisconsin
Coordinates46.24602, -90.94395
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
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 alignment8: Equal to present desirable criteria
Operating rating22.2 US tons
Inventory rating17.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length24 ft (7.2 m)
Longest span22 ft (6.7 m)
Deck width18 ft (5.5 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (1978)
Projected traffic30 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-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 FR196 over Marengo River built?

It was built in 1950, making it 75 years old in 2025.

What condition is FR196 over Marengo 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 FR196 over Marengo River carry?

About 20 vehicles per day (1978 count).

How long is FR196 over Marengo River?

The structure is 24 ft (7.2 m) long with a longest span of 22 ft (6.7 m) and a deck 18 ft wide.

Who owns FR196 over Marengo River?

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