US Bridges

Cth T over Sugar River

Good

Green County, Wisconsin · 1.7M S JCT Sth 81 · Structure no. B23015700000000

Built
2008
17 years old
Condition
Good
inspected May 2024
Type
Slab
Concrete Continuous
Length
203 ft
4 main spans
Daily traffic
1,200
2022 count
Owner
County
County Highway Agency

About this bridge

Cth T over Sugar River is a concrete continuous slab carrying Cth T over Sugar River in Green County, Wisconsin. It was built in 2008, so it is 17 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,200 vehicles a day, roughly 4% of them trucks, projected to reach 600 by 2043. The structure is 203 ft (61.8 m) long and 32 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCth T
CrossesSugar River
Location1.7M S JCT Sth 81
RouteCounty Highway 0T
Coordinates42.55002, -89.36633
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.2 US tons
Inventory rating57.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length203 ft (61.8 m)
Longest span58 ft (17.7 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2022)
Projected traffic600 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Cth T over Sugar River built?

It was built in 2008, making it 17 years old in 2025.

What condition is Cth T 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 May 2024.

How much traffic does Cth T over Sugar River carry?

About 1,200 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Cth T over Sugar River?

The structure is 203 ft (61.8 m) long with a longest span of 58 ft (17.7 m) and a deck 32 ft wide.

Who owns Cth T over Sugar River?

It is owned by the County Highway Agency.