US Bridges

Ush 53 SB over Namekagon River

Fair

Washburn County, Wisconsin · 5.3M S JCT Cth F · Structure no. B65002600000000

Built
1987
38 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
107 ft
1 main span
Daily traffic
2,800
2023 count
Owner
State
State Highway Agency

About this bridge

Ush 53 SB over Namekagon River is a prestressed concrete stringer/multi-beam or girder carrying Ush 53 SB over Namekagon River in Washburn County, Wisconsin. It was built in 1987, so it is 38 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 2,800 vehicles a day, roughly 9% of them trucks, projected to reach 3,240 by 2043. The structure is 107 ft (32.5 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUsh 53 SB
CrossesNamekagon River
Location5.3M S JCT Cth F
RouteU.S. Route 53
Coordinates45.90969, -91.82774
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating73.9 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length107 ft (32.5 m)
Longest span105 ft (31.9 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,800 (2023)
Projected traffic3,240 by 2043
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 53 SB over Namekagon River built?

It was built in 1987, making it 38 years old in 2025.

What condition is Ush 53 SB over Namekagon 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 October 2024.

How much traffic does Ush 53 SB over Namekagon River carry?

About 2,800 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Ush 53 SB over Namekagon River?

The structure is 107 ft (32.5 m) long with a longest span of 105 ft (31.9 m) and a deck 43 ft wide.

Who owns Ush 53 SB over Namekagon River?

It is owned by the State Highway Agency.