US Bridges

Cth M over Mormon Creek

Fair

La Crosse County, Wisconsin · 1.8M E JCT Ush 14 · Structure no. B32001100000000

Built
1956
69 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
82 ft
1 main span
Daily traffic
660
2021 count
Owner
County
County Highway Agency

About this bridge

Cth M over Mormon Creek is a steel stringer/multi-beam or girder carrying Cth M over Mormon Creek in La Crosse County, Wisconsin. It was built in 1956, 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 fair condition with a lowest component rating of 5 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 660 vehicles a day, projected to reach 792 by 2041. The structure is 82 ft (25 m) long and 26 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

CarriesCth M
CrossesMormon Creek
Location1.8M E JCT Ush 14
RouteCounty Highway 0M
Coordinates43.7471, -91.08852
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
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 alignment6: Equal to present minimum criteria
Operating rating36.4 US tons
Inventory rating21.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length82 ft (25 m)
Longest span75 ft (22.9 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic660 (2021)
Projected traffic792 by 2041
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth M over Mormon Creek built?

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

What condition is Cth M over Mormon 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 Mormon Creek carry?

About 660 vehicles per day (2021 count).

How long is Cth M over Mormon Creek?

The structure is 82 ft (25 m) long with a longest span of 75 ft (22.9 m) and a deck 26 ft wide.

Who owns Cth M over Mormon Creek?

It is owned by the County Highway Agency.