US Bridges

Ush 61-USH 151 over Mississippi River 01

Fair

Grant County, Wisconsin · At Iowa State Line · Structure no. B22006000000000

Built
1982
43 years old
Condition
Fair
inspected September 2024
Type
Arch - Thru
Steel
Length
2,950 ft
1 main span
Daily traffic
12,700
2022 count
Owner
State
State Highway Agency

About this bridge

Ush 61-USH 151 over Mississippi River 01 is a steel arch - thru carrying Ush 61-USH 151 over Mississippi River 01 in Grant County, Wisconsin. It was built in 1982, so it is 43 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 12,700 vehicles a day, roughly 8% of them trucks, projected to reach 22,190 by 2043. The structure is 2,950 ft (899.2 m) long and 75 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUsh 61-USH 151
CrossesMississippi River 01
LocationAt Iowa State Line
RouteU.S. Route 61
Coordinates42.51555, -90.63079
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
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 geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.5 US tons
Inventory rating41.1 US tons

Structure

Structure typeArch - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+6 approach)
Design loadHS 20
Structure length2,950 ft (899.2 m)
Longest span670 ft (204.2 m)
Deck width75 ft (22.9 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deck22 ft (6.7 m)

Traffic and service

Average daily traffic12,700 (2022)
Projected traffic22,190 by 2043
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$16.8 million (2024 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Ush 61-USH 151 over Mississippi River 01 built?

It was built in 1982, making it 43 years old in 2025.

What condition is Ush 61-USH 151 over Mississippi 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 2024.

How much traffic does Ush 61-USH 151 over Mississippi River 01 carry?

About 12,700 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Ush 61-USH 151 over Mississippi River 01?

The structure is 2,950 ft (899.2 m) long with a longest span of 670 ft (204.2 m) and a deck 75 ft wide.

Who owns Ush 61-USH 151 over Mississippi River 01?

It is owned by the State Highway Agency.