US Bridges

Cth E over Clam River

Fair

Polk County, Wisconsin · 3.3M E JCT Sth 35 · Structure no. B48004400000000

Built
2000
25 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete Continuous
Length
62 ft
2 main spans
Daily traffic
710
2024 count
Owner
County
County Highway Agency

About this bridge

Cth E over Clam River is a concrete continuous slab carrying Cth E over Clam River in Polk County, Wisconsin. It was built in 2000, so it is 25 years old, younger 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 710 vehicles a day, roughly 10% of them trucks, projected to reach 545 by 2043. The structure is 62 ft (18.8 m) long and 31 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Location

Open in Google Maps
CarriesCth E
CrossesClam River
Location3.3M E JCT Sth 35
RouteCounty Highway 0E
CountyPolk County
StateWisconsin
Coordinates45.712, -92.33
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 alignment8: Equal to present desirable criteria
Operating rating68.5 US tons
Inventory rating41.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length62 ft (18.8 m)
Longest span30 ft (9 m)
Deck width31 ft (9.6 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic710 (2024)
Projected traffic545 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 E over Clam River built?

It was built in 2000, making it 25 years old in 2025.

What condition is Cth E over Clam River 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 E over Clam River carry?

About 710 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Cth E over Clam River?

The structure is 62 ft (18.8 m) long with a longest span of 30 ft (9 m) and a deck 31 ft wide.

Who owns Cth E over Clam River?

It is owned by the County Highway Agency.