US Bridges

Cth D over Red Cedar River

Poor

Dunn County, Wisconsin · 2.8M S JCT Sth 25 · Structure no. B17007800000000

Built
1975
50 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
277 ft
4 main spans
Daily traffic
1,503
2024 count
Owner
County
County Highway Agency

About this bridge

Cth D over Red Cedar River is a prestressed concrete continuous stringer/multi-beam or girder carrying Cth D over Red Cedar River in Dunn County, Wisconsin. It was built in 1975, so it is 50 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 1,503 vehicles a day, projected to reach 1,563 by 2043. The structure is 277 ft (84.5 m) long and 38 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCth D
CrossesRed Cedar River
Location2.8M S JCT Sth 25
RouteCounty Highway 0D
Coordinates44.83612, -91.95437
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure9 ExcellentNo problems noted.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating26.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length277 ft (84.5 m)
Longest span69 ft (21.1 m)
Deck width38 ft (11.5 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,503 (2024)
Projected traffic1,563 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$1.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth D over Red Cedar River built?

It was built in 1975, making it 50 years old in 2025.

What condition is Cth D over Red Cedar 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 July 2024.

How much traffic does Cth D over Red Cedar River carry?

About 1,503 vehicles per day (2024 count).

How long is Cth D over Red Cedar River?

The structure is 277 ft (84.5 m) long with a longest span of 69 ft (21.1 m) and a deck 38 ft wide.

Who owns Cth D over Red Cedar River?

It is owned by the County Highway Agency.