US Bridges

Ush 45 over Willow Harbor Bay Trib

Fair

Winnebago County, Wisconsin · 2.5M N JCT Cth Z · Structure no. B70010100000000

Built
1988
37 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
52 ft
1 main span
Daily traffic
3,200
2022 count
Owner
State
State Highway Agency

About this bridge

Ush 45 over Willow Harbor Bay Trib is a steel stringer/multi-beam or girder carrying Ush 45 over Willow Harbor Bay Trib in Winnebago County, Wisconsin. It was built in 1988, so it is 37 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 3,200 vehicles a day, roughly 6% of them trucks, projected to reach 5,630 by 2043. The structure is 52 ft (15.9 m) long and 46 ft wide. If it were closed, the detour would be 25.5 mi (41 km).

CarriesUsh 45
CrossesWillow Harbor Bay Trib
Location2.5M N JCT Cth Z
RouteU.S. Route 45
Coordinates43.94003, -88.49209
Functional classRural Minor Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 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 rating61.2 US tons
Inventory rating37.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length52 ft (15.9 m)
Longest span51 ft (15.4 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,200 (2022)
Projected traffic5,630 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed25.5 mi (41 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ush 45 over Willow Harbor Bay Trib built?

It was built in 1988, making it 37 years old in 2025.

What condition is Ush 45 over Willow Harbor Bay Trib 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 45 over Willow Harbor Bay Trib carry?

About 3,200 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Ush 45 over Willow Harbor Bay Trib?

The structure is 52 ft (15.9 m) long with a longest span of 51 ft (15.4 m) and a deck 46 ft wide.

Who owns Ush 45 over Willow Harbor Bay Trib?

It is owned by the State Highway Agency.