US Bridges

Cth O over Peshtigo River

Good

Forest County, Wisconsin · 2.3M W JCT Sth 139 · Structure no. B21000500000000

Built
1976
49 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
75 ft
1 main span
Daily traffic
62
2024 count
Owner
County
County Highway Agency

About this bridge

Cth O over Peshtigo River is a prestressed concrete stringer/multi-beam or girder carrying Cth O over Peshtigo River in Forest County, Wisconsin. It was built in 1976, so it is 49 years old, older 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 62 vehicles a day, projected to reach 66 by 2043. The structure is 75 ft (23 m) long and 30 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

CarriesCth O
CrossesPeshtigo River
Location2.3M W JCT Sth 139
RouteCounty Highway 0O
Coordinates45.67851, -88.69679
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.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.4 US tons
Inventory rating26.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length75 ft (23 m)
Longest span73 ft (22.3 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic62 (2024)
Projected traffic66 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 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 O over Peshtigo River built?

It was built in 1976, making it 49 years old in 2025.

What condition is Cth O over Peshtigo 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 August 2024.

How much traffic does Cth O over Peshtigo River carry?

About 62 vehicles per day (2024 count).

How long is Cth O over Peshtigo River?

The structure is 75 ft (23 m) long with a longest span of 73 ft (22.3 m) and a deck 30 ft wide.

Who owns Cth O over Peshtigo River?

It is owned by the County Highway Agency.