US Bridges

Cth G over Peshtigo River

Fair

Forest County, Wisconsin · 0.3M S JCT Ush 8 · Structure no. B21000700000000

Built
1979
46 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
74 ft
2 main spans
Daily traffic
638
2024 count
Owner
County
County Highway Agency

About this bridge

Cth G over Peshtigo River is a concrete continuous slab carrying Cth G over Peshtigo River in Forest County, Wisconsin. It was built in 1979, so it is 46 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 638 vehicles a day, projected to reach 691 by 2043. The structure is 74 ft (22.5 m) long and 28 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

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CarriesCth G
CrossesPeshtigo River
Location0.3M S JCT Ush 8
RouteCounty Highway 0G
CountyForest County
StateWisconsin
Coordinates45.65278, -88.63539
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.8 US tons
Inventory rating32.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length74 ft (22.5 m)
Longest span36 ft (11 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic638 (2024)
Projected traffic691 by 2043
Trucks0%
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 G over Peshtigo River built?

It was built in 1979, making it 46 years old in 2025.

What condition is Cth G over Peshtigo 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 August 2024.

How much traffic does Cth G over Peshtigo River carry?

About 638 vehicles per day (2024 count).

How long is Cth G over Peshtigo River?

The structure is 74 ft (22.5 m) long with a longest span of 36 ft (11 m) and a deck 28 ft wide.

Who owns Cth G over Peshtigo River?

It is owned by the County Highway Agency.