US Bridges

Cth K over Big Green River

Good

Grant County, Wisconsin · .6 Miles S. JCT Sth 133 · Structure no. B22028200000000

Built
2014
11 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
118 ft
1 main span
Daily traffic
170
2022 count
Owner
County
County Highway Agency

About this bridge

Cth K over Big Green River is a prestressed concrete stringer/multi-beam or girder carrying Cth K over Big Green River in Grant County, Wisconsin. It was built in 2014, so it is 11 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 170 vehicles a day, roughly 3% of them trucks, projected to reach 210 by 2043. The structure is 118 ft (36.1 m) long and 32 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCth K
CrossesBig Green River
Location.6 Miles S. JCT Sth 133
RouteCounty Highway 0K
Coordinates43.06647, -90.82583
Functional classRural Local

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.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating66 US tons
Inventory rating40.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length118 ft (36.1 m)
Longest span116 ft (35.4 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170 (2022)
Projected traffic210 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 K over Big Green River built?

It was built in 2014, making it 11 years old in 2025.

What condition is Cth K over Big Green 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 Cth K over Big Green River carry?

About 170 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Cth K over Big Green River?

The structure is 118 ft (36.1 m) long with a longest span of 116 ft (35.4 m) and a deck 32 ft wide.

Who owns Cth K over Big Green River?

It is owned by the County Highway Agency.