US Bridges

Ush 45 over Milwaukee River

Fair

Fond du Lac County, Wisconsin · 1.0M N JCT Sth 28 to W · Structure no. B20010200000000

Built
1991
34 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
71 ft
1 main span
Daily traffic
2,500
2023 count
Owner
State
State Highway Agency

About this bridge

Ush 45 over Milwaukee River is a prestressed concrete stringer/multi-beam or girder carrying Ush 45 over Milwaukee River in Fond du Lac County, Wisconsin. It was built in 1991, so it is 34 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 2,500 vehicles a day, roughly 7% of them trucks, projected to reach 4,540 by 2042. The structure is 71 ft (21.5 m) long and 47 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

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CarriesUsh 45
CrossesMilwaukee River
Location1.0M N JCT Sth 28 to W
RouteU.S. Route 45
CountyFond du Lac County
StateWisconsin
Coordinates43.54283, -88.23618
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
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 inspectionMay 2023
Inspection intervalevery 24 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 rating39.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length71 ft (21.5 m)
Longest span70 ft (21.3 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2023)
Projected traffic4,540 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 Milwaukee River built?

It was built in 1991, making it 34 years old in 2025.

What condition is Ush 45 over Milwaukee 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 May 2023.

How much traffic does Ush 45 over Milwaukee River carry?

About 2,500 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Ush 45 over Milwaukee River?

The structure is 71 ft (21.5 m) long with a longest span of 70 ft (21.3 m) and a deck 47 ft wide.

Who owns Ush 45 over Milwaukee River?

It is owned by the State Highway Agency.