US Bridges

Cth M over Pecatonica River

Good

Green County, Wisconsin · 3.3M S JCT Cth B · Structure no. B23013000000000

Built
2004
21 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
257 ft
3 main spans
Daily traffic
443
2022 count
Owner
County
County Highway Agency

About this bridge

Cth M over Pecatonica River is a prestressed concrete continuous stringer/multi-beam or girder carrying Cth M over Pecatonica River in Green County, Wisconsin. It was built in 2004, so it is 21 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 443 vehicles a day, roughly 4% of them trucks, projected to reach 487 by 2043. The structure is 257 ft (78.3 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCth M
CrossesPecatonica River
Location3.3M S JCT Cth B
RouteCounty Highway 0M
Coordinates42.5103, -89.80142
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating39.2 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length257 ft (78.3 m)
Longest span85 ft (26 m)
Deck width32 ft (9.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic443 (2022)
Projected traffic487 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 M over Pecatonica River built?

It was built in 2004, making it 21 years old in 2025.

What condition is Cth M over Pecatonica 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 April 2024.

How much traffic does Cth M over Pecatonica River carry?

About 443 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Cth M over Pecatonica River?

The structure is 257 ft (78.3 m) long with a longest span of 85 ft (26 m) and a deck 32 ft wide.

Who owns Cth M over Pecatonica River?

It is owned by the County Highway Agency.