US Bridges

Cth M Main ST over Ush 53

Fair

Chippewa County, Wisconsin · 0.6M W JCT Cth Ss · Structure no. B09009200000000

Built
1972
53 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
240 ft
2 main spans
Daily traffic
750
2021 count
Owner
State
State Highway Agency

About this bridge

Cth M Main ST over Ush 53 is a steel continuous stringer/multi-beam or girder carrying Cth M Main ST over Ush 53 in Chippewa County, Wisconsin. It was built in 1972, so it is 53 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 750 vehicles a day, projected to reach 900 by 2041. The structure is 240 ft (73.1 m) long and 72 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesCth M Main ST
CrossesUsh 53
Location0.6M W JCT Cth Ss
RouteCounty Highway 0M
Coordinates45.20343, -91.57389
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.2 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length240 ft (73.1 m)
Longest span119 ft (36.4 m)
Deck width72 ft (21.9 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2021)
Projected traffic900 by 2041
Trucks0%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Cth M Main ST over Ush 53 built?

It was built in 1972, making it 53 years old in 2025.

What condition is Cth M Main ST over Ush 53 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 May 2023.

How much traffic does Cth M Main ST over Ush 53 carry?

About 750 vehicles per day (2021 count).

How long is Cth M Main ST over Ush 53?

The structure is 240 ft (73.1 m) long with a longest span of 119 ft (36.4 m) and a deck 72 ft wide.

Who owns Cth M Main ST over Ush 53?

It is owned by the State Highway Agency.