US Bridges

Sth 59-MAIN ST over Sugar River

Good

Green County, Wisconsin · 0.8M E JCT Cth F · Structure no. B23009600000000

Built
1995
30 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
164 ft
2 main spans
Daily traffic
3,800
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 59-MAIN ST over Sugar River is a prestressed concrete continuous stringer/multi-beam or girder carrying Sth 59-MAIN ST over Sugar River in Green County, Wisconsin. It was built in 1995, so it is 30 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 3,800 vehicles a day, roughly 6% of them trucks, projected to reach 4,550 by 2043. The structure is 164 ft (49.9 m) long and 56 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesSth 59-MAIN ST
CrossesSugar River
Location0.8M E JCT Cth F
RouteState Highway 59
Coordinates42.70726, -89.43874
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 inspectionOctober 2024
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 geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.6 US tons
Inventory rating39.2 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length164 ft (49.9 m)
Longest span87 ft (26.5 m)
Deck width56 ft (17.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,800 (2022)
Projected traffic4,550 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5.6 mi (9 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-MAIN ST over Sugar River built?

It was built in 1995, making it 30 years old in 2025.

What condition is Sth 59-MAIN ST over Sugar River 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 2024.

How much traffic does Sth 59-MAIN ST over Sugar River carry?

About 3,800 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Sth 59-MAIN ST over Sugar River?

The structure is 164 ft (49.9 m) long with a longest span of 87 ft (26.5 m) and a deck 56 ft wide.

Who owns Sth 59-MAIN ST over Sugar River?

It is owned by the State Highway Agency.