US Bridges

Ush 18-STH 35 over Wisconsin River 01

Fair

Grant County, Wisconsin · 1.0M E JCT Sth 60 to E · Structure no. B22009400000000

Built
1989
36 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
223 ft
3 main spans
Daily traffic
5,000
2022 count
Owner
State
State Highway Agency

About this bridge

Ush 18-STH 35 over Wisconsin River 01 is a prestressed concrete continuous stringer/multi-beam or girder carrying Ush 18-STH 35 over Wisconsin River 01 in Grant County, Wisconsin. It was built in 1989, so it is 36 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 5,000 vehicles a day, roughly 9% of them trucks, projected to reach 8,200 by 2042. The structure is 223 ft (67.9 m) long and 47 ft wide. If it were closed, the detour would be 36.7 mi (59 km).

Location

Open in Google Maps
CarriesUsh 18-STH 35
CrossesWisconsin River 01
Location1.0M E JCT Sth 60 to E
RouteU.S. Route 18
CountyGrant County
StateWisconsin
Coordinates42.99726, -91.0495
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.4 US tons
Inventory rating41.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length223 ft (67.9 m)
Longest span73 ft (22.4 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2022)
Projected traffic8,200 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed36.7 mi (59 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ush 18-STH 35 over Wisconsin River 01 built?

It was built in 1989, making it 36 years old in 2025.

What condition is Ush 18-STH 35 over Wisconsin River 01 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 September 2023.

How much traffic does Ush 18-STH 35 over Wisconsin River 01 carry?

About 5,000 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Ush 18-STH 35 over Wisconsin River 01?

The structure is 223 ft (67.9 m) long with a longest span of 73 ft (22.4 m) and a deck 47 ft wide.

Who owns Ush 18-STH 35 over Wisconsin River 01?

It is owned by the State Highway Agency.