US Bridges

Cth M over Trout Creek

Fair

Dunn County, Wisconsin · 2.5M S JCT Sth 64 · Structure no. B17006400000000

Built
1960
65 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
43 ft
1 main span
Daily traffic
476
2024 count
Owner
County
County Highway Agency

About this bridge

Cth M over Trout Creek is a prestressed concrete box beam or girders - multiple carrying Cth M over Trout Creek in Dunn County, Wisconsin. It was built in 1960, so it is 65 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 476 vehicles a day, projected to reach 490 by 2043. The structure is 43 ft (13.2 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCth M
CrossesTrout Creek
Location2.5M S JCT Sth 64
RouteCounty Highway 0M
CountyDunn County
StateWisconsin
Coordinates45.10532, -91.69229
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
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
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 rating75.6 US tons
Inventory rating44.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length43 ft (13.2 m)
Longest span42 ft (12.8 m)
Deck width32 ft (9.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic476 (2024)
Projected traffic490 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 M over Trout Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Cth M over Trout 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 July 2024.

How much traffic does Cth M over Trout Creek carry?

About 476 vehicles per day (2024 count).

How long is Cth M over Trout Creek?

The structure is 43 ft (13.2 m) long with a longest span of 42 ft (12.8 m) and a deck 32 ft wide.

Who owns Cth M over Trout Creek?

It is owned by the County Highway Agency.