US Bridges

Ush 51 over Silver Creek

Fair

Marathon County, Wisconsin · 1.4M N JCT Cth Ww to E · Structure no. B37016000000000

Built
1974
51 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
20,500
2021 count
Owner
State
State Highway Agency

About this bridge

Ush 51 over Silver Creek is a concrete continuous culvert carrying Ush 51 over Silver Creek in Marathon County, Wisconsin. It was built in 1974, so it is 51 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 20,500 vehicles a day, roughly 8% of them trucks, projected to reach 25,350 by 2043. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 2.5 mi (4 km).

CarriesUsh 51
CrossesSilver Creek
Location1.4M N JCT Cth Ww to E
RouteU.S. Route 51
Coordinates45.04034, -89.66251
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating28.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length23 ft (6.9 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,500 (2021)
Projected traffic25,350 by 2043
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 51 over Silver Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is Ush 51 over Silver Creek 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 November 2024.

How much traffic does Ush 51 over Silver Creek carry?

About 20,500 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Ush 51 over Silver Creek?

The structure is 23 ft (6.9 m) long with a longest span of 10 ft (3 m).

Who owns Ush 51 over Silver Creek?

It is owned by the State Highway Agency.