US Bridges

Cth K over Pike River

Poor

Marinette County, Wisconsin · 4.1M E JCT Ush 141 · Structure no. B38002200000000

Built
1978
47 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
134 ft
1 main span
Daily traffic
512
2024 count
Owner
County
County Highway Agency

About this bridge

Cth K over Pike River is a prestressed concrete stringer/multi-beam or girder carrying Cth K over Pike River in Marinette County, Wisconsin. It was built in 1978, so it is 47 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 512 vehicles a day, projected to reach 563 by 2043. The structure is 134 ft (40.9 m) long and 34 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesCth K
CrossesPike River
Location4.1M E JCT Ush 141
RouteCounty Highway 0K
CountyMarinette County
StateWisconsin
Coordinates45.49567, -87.90553
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating95.3 US tons
Inventory rating42.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length134 ft (40.9 m)
Longest span128 ft (39 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic512 (2024)
Projected traffic563 by 2043
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$644,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth K over Pike River built?

It was built in 1978, making it 47 years old in 2025.

What condition is Cth K over Pike 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 K over Pike River carry?

About 512 vehicles per day (2024 count).

How long is Cth K over Pike River?

The structure is 134 ft (40.9 m) long with a longest span of 128 ft (39 m) and a deck 34 ft wide.

Who owns Cth K over Pike River?

It is owned by the County Highway Agency.