US Bridges

Sth 86-TOMAHAWK Av over Wisconsin River 41

Fair

Lincoln County, Wisconsin · 0.2M E JCT Cth E · Structure no. B35005200000000

Built
1976
49 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
423 ft
4 main spans
Daily traffic
3,400
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 86-TOMAHAWK Av over Wisconsin River 41 is a prestressed concrete continuous stringer/multi-beam or girder carrying Sth 86-TOMAHAWK Av over Wisconsin River 41 in Lincoln County, Wisconsin. It was built in 1976, so it is 49 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 3,400 vehicles a day, projected to reach 7,930 by 2042. The structure is 423 ft (128.9 m) long and 41 ft wide. If it were closed, the detour would be 54.7 mi (88 km).

Location

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CarriesSth 86-TOMAHAWK Av
CrossesWisconsin River 41
Location0.2M E JCT Cth E
RouteState Highway 86
CountyLincoln County
StateWisconsin
Coordinates45.45428, -89.73497
Functional classRural Major Collector

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 protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length423 ft (128.9 m)
Longest span105 ft (32 m)
Deck width41 ft (12.6 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,400 (2022)
Projected traffic7,930 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed54.7 mi (88 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Sth 86-TOMAHAWK Av over Wisconsin River 41 built?

It was built in 1976, making it 49 years old in 2025.

What condition is Sth 86-TOMAHAWK Av over Wisconsin River 41 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 June 2023.

How much traffic does Sth 86-TOMAHAWK Av over Wisconsin River 41 carry?

About 3,400 vehicles per day (2022 count).

How long is Sth 86-TOMAHAWK Av over Wisconsin River 41?

The structure is 423 ft (128.9 m) long with a longest span of 105 ft (32 m) and a deck 41 ft wide.

Who owns Sth 86-TOMAHAWK Av over Wisconsin River 41?

It is owned by the State Highway Agency.