US Bridges

Sth 60 over Mill Creek

Good

Richland County, Wisconsin · 1.6M E JCT Sth 193 · Structure no. B52012300000000

Built
1987
38 years old, rebuilt 2007
Condition
Good
inspected April 2022
Type
Slab
Concrete Continuous
Length
147 ft
3 main spans
Daily traffic
1,400
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 60 over Mill Creek is a concrete continuous slab carrying Sth 60 over Mill Creek in Richland County, Wisconsin. It was built in 1987 and reconstructed in 2007, 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,400 vehicles a day, roughly 10% of them trucks, projected to reach 1,970 by 2041. The structure is 147 ft (44.9 m) long and 38 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesSth 60
CrossesMill Creek
Location1.6M E JCT Sth 193
RouteState Highway 60
CountyRichland County
StateWisconsin
Coordinates43.20376, -90.44569
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.5 US tons
Inventory rating50 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length147 ft (44.9 m)
Longest span51 ft (15.5 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2022)
Projected traffic1,970 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Sth 60 over Mill Creek built?

It was built in 1987, making it 38 years old in 2025. It was reconstructed in 2007.

What condition is Sth 60 over Mill Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2022.

How much traffic does Sth 60 over Mill Creek carry?

About 1,400 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Sth 60 over Mill Creek?

The structure is 147 ft (44.9 m) long with a longest span of 51 ft (15.5 m) and a deck 38 ft wide.

Who owns Sth 60 over Mill Creek?

It is owned by the State Highway Agency.