US Bridges

Ush 12 over Mill Creek

Fair

Monroe County, Wisconsin · 0.5M E JCT Cth O (e) · Structure no. B41016800000000

Built
1988
37 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
60 ft
2 main spans
Daily traffic
3,200
2021 count
Owner
State
State Highway Agency

About this bridge

Ush 12 over Mill Creek is a concrete continuous slab carrying Ush 12 over Mill Creek in Monroe 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 4% of them trucks, projected to reach 3,840 by 2041. The structure is 60 ft (18.2 m) long and 35 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesUsh 12
CrossesMill Creek
Location0.5M E JCT Cth O (e)
RouteU.S. Route 12
Coordinates44.05493, -90.5053
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length60 ft (18.2 m)
Longest span29 ft (8.8 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,200 (2021)
Projected traffic3,840 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 12 over Mill Creek built?

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

What condition is Ush 12 over Mill 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 October 2024.

How much traffic does Ush 12 over Mill Creek carry?

About 3,200 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Ush 12 over Mill Creek?

The structure is 60 ft (18.2 m) long with a longest span of 29 ft (8.8 m) and a deck 35 ft wide.

Who owns Ush 12 over Mill Creek?

It is owned by the State Highway Agency.