US Bridges

Cth W over Mckenzie Creek

Poor

Polk County, Wisconsin · 0.7M W JCT Cth O · Structure no. P48090300000000

Built
1956
69 years old, rebuilt 1994
Condition
Poor
inspected April 2024
Type
Slab
Wood or Timber
Length
31 ft
1 main span
Daily traffic
288
2024 count
Owner
County
County Highway Agency

About this bridge

Cth W over Mckenzie Creek is a wood or timber slab carrying Cth W over Mckenzie Creek in Polk County, Wisconsin. It was built in 1956 and reconstructed in 1994, so it is 69 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.

It carries about 288 vehicles a day, projected to reach 316 by 2043. The structure is 31 ft (9.4 m) long and 27 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

CarriesCth W
CrossesMckenzie Creek
Location0.7M W JCT Cth O
RouteCounty Highway 0W
Coordinates45.63983, -92.298
Functional classRural Minor 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 protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
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 rating55.8 US tons
Inventory rating37.5 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span30 ft (9.1 m)
Deck width27 ft (8.3 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic288 (2024)
Projected traffic316 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 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$198,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth W over Mckenzie Creek built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1994.

What condition is Cth W over Mckenzie Creek 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 W over Mckenzie Creek carry?

About 288 vehicles per day (2024 count).

How long is Cth W over Mckenzie Creek?

The structure is 31 ft (9.4 m) long with a longest span of 30 ft (9.1 m) and a deck 27 ft wide.

Who owns Cth W over Mckenzie Creek?

It is owned by the County Highway Agency.