US Bridges

Cth W over Little Peshtigo River

Poor

Marinette County, Wisconsin · 1.3M N JCT Sth 64 · Structure no. B38091300000000

Built
1920
105 years old, rebuilt 1979
Condition
Poor
inspected October 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
1,700
2024 count
Owner
County
County Highway Agency

About this bridge

Cth W over Little Peshtigo River is a prestressed concrete box beam or girders - single or spread carrying Cth W over Little Peshtigo River in Marinette County, Wisconsin. It was built in 1920 and reconstructed in 1979, so it is 105 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,700 vehicles a day, projected to reach 2,040 by 2042. The structure is 53 ft (16.1 m) long and 32 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesCth W
CrossesLittle Peshtigo River
Location1.3M N JCT Sth 64
RouteCounty Highway 0W
Coordinates45.12088, -87.8925
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be 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 rating41.4 US tons
Inventory rating21.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length53 ft (16.1 m)
Longest span47 ft (14.3 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2024)
Projected traffic2,040 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$329,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth W over Little Peshtigo River built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1979.

What condition is Cth W over Little Peshtigo River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Cth W over Little Peshtigo River carry?

About 1,700 vehicles per day (2024 count).

How long is Cth W over Little Peshtigo River?

The structure is 53 ft (16.1 m) long with a longest span of 47 ft (14.3 m) and a deck 32 ft wide.

Who owns Cth W over Little Peshtigo River?

It is owned by the County Highway Agency.