US Bridges

Cth H over Apple River

PoorPosted for load

Polk County, Wisconsin · 3.2M N JCT Ush 8 · Structure no. P48091000000000

Built
1952
73 years old, rebuilt 1987
Condition
Poor
inspected April 2024
Type
Slab
Wood or Timber
Length
50 ft
2 main spans
Daily traffic
1,600
2024 count
Owner
County
County Highway Agency

About this bridge

Cth H over Apple River is a wood or timber slab carrying Cth H over Apple River in Polk County, Wisconsin. It was built in 1952 and reconstructed in 1987, so it is 73 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 3 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. Its operating status is: posted for other load-capacity restriction.

It carries about 1,600 vehicles a day, projected to reach 1,551 by 2043. The structure is 50 ft (15.2 m) long and 25 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesCth H
CrossesApple River
Location3.2M N JCT Ush 8
RouteCounty Highway 0H
Coordinates45.43785, -92.36629
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for other load-capacity restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span25 ft (7.5 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2024)
Projected traffic1,551 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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$315,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth H over Apple River built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 1987.

What condition is Cth H over Apple 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 April 2024.

How much traffic does Cth H over Apple River carry?

About 1,600 vehicles per day (2024 count).

How long is Cth H over Apple River?

The structure is 50 ft (15.2 m) long with a longest span of 25 ft (7.5 m) and a deck 25 ft wide.

Who owns Cth H over Apple River?

It is owned by the County Highway Agency.