US Bridges

Cth N over Little Plum Creek

Fair

Pepin County, Wisconsin · 2.3M W JCT Cth D · Structure no. P46091100000000

Built
1965
60 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
862
2022 count
Owner
County
County Highway Agency

About this bridge

Cth N over Little Plum Creek is a steel stringer/multi-beam or girder carrying Cth N over Little Plum Creek in Pepin County, Wisconsin. It was built in 1965, so it is 60 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 6 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 862 vehicles a day, projected to reach 948 by 2043. The structure is 24 ft (7.4 m) long and 28 ft wide. If it were closed, the detour would be 87.6 mi (141 km).

Location

Open in Google Maps
CarriesCth N
CrossesLittle Plum Creek
Location2.3M W JCT Cth D
RouteCounty Highway 0N
CountyPepin County
StateWisconsin
Coordinates44.52542, -92.09529
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.8 US tons
Inventory rating37.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length24 ft (7.4 m)
Longest span22 ft (6.8 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic862 (2022)
Projected traffic948 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed87.6 mi (141 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 N over Little Plum Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Cth N over Little Plum Creek 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 April 2024.

How much traffic does Cth N over Little Plum Creek carry?

About 862 vehicles per day (2022 count).

How long is Cth N over Little Plum Creek?

The structure is 24 ft (7.4 m) long with a longest span of 22 ft (6.8 m) and a deck 28 ft wide.

Who owns Cth N over Little Plum Creek?

It is owned by the County Highway Agency.