US Bridges

Sth 59 over Badfish Creek

Good

Rock County, Wisconsin · 1.3M E JCT Sth 138 · Structure no. B53019500000000

Built
2003
22 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
99 ft
1 main span
Daily traffic
2,000
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 59 over Badfish Creek is a prestressed concrete stringer/multi-beam or girder carrying Sth 59 over Badfish Creek in Rock County, Wisconsin. It was built in 2003, so it is 22 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 2,000 vehicles a day, roughly 9% of them trucks, projected to reach 2,400 by 2039. The structure is 99 ft (30.2 m) long and 38 ft wide. If it were closed, the detour would be 23.6 mi (38 km).

CarriesSth 59
CrossesBadfish Creek
Location1.3M E JCT Sth 138
RouteState Highway 59
Coordinates42.83426, -89.21508
Functional classRural Major Collector

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 protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating80.5 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length99 ft (30.2 m)
Longest span95 ft (29 m)
Deck width38 ft (11.6 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2022)
Projected traffic2,400 by 2039
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23.6 mi (38 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 59 over Badfish Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is Sth 59 over Badfish 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 October 2023.

How much traffic does Sth 59 over Badfish Creek carry?

About 2,000 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Sth 59 over Badfish Creek?

The structure is 99 ft (30.2 m) long with a longest span of 95 ft (29 m) and a deck 38 ft wide.

Who owns Sth 59 over Badfish Creek?

It is owned by the State Highway Agency.