US Bridges

Cth C over Pensaukee River

Fair

Shawano County, Wisconsin · 2.4M N JCT Sth 29 · Structure no. P58002800000000

Built
1941
84 years old
Condition
Fair
inspected October 2023
Type
Culvert
Steel
Length
40 ft
4 main spans
Daily traffic
1,200
2022 count
Owner
County
County Highway Agency

About this bridge

Cth C over Pensaukee River is a steel culvert carrying Cth C over Pensaukee River in Shawano County, Wisconsin. It was built in 1941, so it is 84 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 1,200 vehicles a day, projected to reach 1,440 by 2042. The structure is 40 ft (12.2 m) long. If it were closed, the detour would be 23.6 mi (38 km).

CarriesCth C
CrossesPensaukee River
Location2.4M N JCT Sth 29
RouteCounty Highway 0C
Coordinates44.72083, -88.32806
Functional classRural Major 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
Channel and channel protection8 Very GoodNo problems noted.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
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
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckOther
Main spans4
Design loadH 15
Structure length40 ft (12.2 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2022)
Projected traffic1,440 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23.6 mi (38 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 C over Pensaukee River built?

It was built in 1941, making it 84 years old in 2025.

What condition is Cth C over Pensaukee 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 October 2023.

How much traffic does Cth C over Pensaukee River carry?

About 1,200 vehicles per day (2022 count).

How long is Cth C over Pensaukee River?

The structure is 40 ft (12.2 m) long with a longest span of 7 ft (2.1 m).

Who owns Cth C over Pensaukee River?

It is owned by the County Highway Agency.