US Bridges

Cth S over Canon Creek

PoorPosted for load

Lafayette County, Wisconsin · 0.3M W JCT Cth D · Structure no. P33093600000000

Built
1961
64 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
140
2023 count
Owner
County
County Highway Agency

About this bridge

Cth S over Canon Creek is a steel stringer/multi-beam or girder carrying Cth S over Canon Creek in Lafayette County, Wisconsin. It was built in 1961, so it is 64 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. Its operating status is: posted for load restriction.

It carries about 140 vehicles a day, projected to reach 103 by 2043. The structure is 32 ft (9.9 m) long and 23 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesCth S
CrossesCanon Creek
Location0.3M W JCT Cth D
RouteCounty Highway 0S
Coordinates42.8139, -90.04433
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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 inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating23.4 US tons
Inventory rating14.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length32 ft (9.9 m)
Longest span30 ft (9.2 m)
Deck width23 ft (6.9 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2023)
Projected traffic103 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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$205,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth S over Canon Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is Cth S over Canon 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 October 2024.

How much traffic does Cth S over Canon Creek carry?

About 140 vehicles per day (2023 count).

How long is Cth S over Canon Creek?

The structure is 32 ft (9.9 m) long with a longest span of 30 ft (9.2 m) and a deck 23 ft wide.

Who owns Cth S over Canon Creek?

It is owned by the County Highway Agency.