US Bridges

Cth M over Br Bostwick Creek

Fair

La Crosse County, Wisconsin · 1.0M N JCT Cth O · Structure no. B32002200000000

Built
1958
67 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
3,500
2021 count
Owner
County
County Highway Agency

About this bridge

Cth M over Br Bostwick Creek is a concrete continuous culvert carrying Cth M over Br Bostwick Creek in La Crosse County, Wisconsin. It was built in 1958, so it is 67 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 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 3,500 vehicles a day, projected to reach 4,200 by 2041. The structure is 22 ft (6.8 m) long. If it were closed, the detour would be 7.5 mi (12 km).

Location

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CarriesCth M
CrossesBr Bostwick Creek
Location1.0M N JCT Cth O
RouteCounty Highway 0M
CountyLa Crosse County
StateWisconsin
Coordinates43.85358, -91.10438
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length22 ft (6.8 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,500 (2021)
Projected traffic4,200 by 2041
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth M over Br Bostwick Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is Cth M over Br Bostwick 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 April 2023.

How much traffic does Cth M over Br Bostwick Creek carry?

About 3,500 vehicles per day (2021 count).

How long is Cth M over Br Bostwick Creek?

The structure is 22 ft (6.8 m) long with a longest span of 8 ft (2.4 m).

Who owns Cth M over Br Bostwick Creek?

It is owned by the County Highway Agency.