US Bridges

Cth X over Sugar River

Fair

Green County, Wisconsin · 2.3M N JCT Cth C · Structure no. P23096900000000

Built
1969
56 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
185 ft
3 main spans
Daily traffic
189
2022 count
Owner
County
County Highway Agency

About this bridge

Cth X over Sugar River is a prestressed concrete stringer/multi-beam or girder carrying Cth X over Sugar River in Green County, Wisconsin. It was built in 1969, so it is 56 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 189 vehicles a day, projected to reach 207 by 2043. The structure is 185 ft (56.4 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCth X
CrossesSugar River
Location2.3M N JCT Cth C
RouteCounty Highway 0X
CountyGreen County
StateWisconsin
Coordinates42.7995, -89.48682
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length185 ft (56.4 m)
Longest span61 ft (18.7 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic189 (2022)
Projected traffic207 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 X over Sugar River built?

It was built in 1969, making it 56 years old in 2025.

What condition is Cth X over Sugar River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.

How much traffic does Cth X over Sugar River carry?

About 189 vehicles per day (2022 count).

How long is Cth X over Sugar River?

The structure is 185 ft (56.4 m) long with a longest span of 61 ft (18.7 m) and a deck 32 ft wide.

Who owns Cth X over Sugar River?

It is owned by the County Highway Agency.