US Bridges

Cth C over Sugar River

Good

Green County, Wisconsin · 0.1 M E JCT Cth X · Structure no. B23018100000000

Built
2023
2 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
175 ft
2 main spans
Daily traffic
470
2023 count
Owner
County
County Highway Agency

About this bridge

Cth C over Sugar River is a prestressed concrete continuous stringer/multi-beam or girder carrying Cth C over Sugar River in Green County, Wisconsin. It was built in 2023, so it is 2 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 470 vehicles a day, roughly 8% of them trucks, projected to reach 560 by 2043. The structure is 175 ft (53.2 m) long and 33 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesCth C
CrossesSugar River
Location0.1 M E JCT Cth X
RouteCounty Highway 0C
Coordinates42.77002, -89.47928
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating41.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length175 ft (53.2 m)
Longest span86 ft (26.2 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic470 (2023)
Projected traffic560 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 C over Sugar River built?

It was built in 2023, making it 2 years old in 2025.

What condition is Cth C 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 July 2023.

How much traffic does Cth C over Sugar River carry?

About 470 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Cth C over Sugar River?

The structure is 175 ft (53.2 m) long with a longest span of 86 ft (26.2 m) and a deck 33 ft wide.

Who owns Cth C over Sugar River?

It is owned by the County Highway Agency.