US Bridges

Cth C over IH 90

Fair

La Crosse County, Wisconsin · 0.1M S JCT Cth B (w. Sale · Structure no. B32005700000000

Built
1968
57 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
180 ft
2 main spans
Daily traffic
8,700
2021 count
Owner
State
State Highway Agency

About this bridge

Cth C over IH 90 is a steel continuous stringer/multi-beam or girder carrying Cth C over IH 90 in La Crosse County, Wisconsin. It was built in 1968, so it is 57 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 8,700 vehicles a day, projected to reach 1,044 by 2041. The structure is 180 ft (55 m) long and 47 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesCth C
CrossesIH 90
Location0.1M S JCT Cth B (w. Sale
RouteCounty Highway 0C
Coordinates43.89223, -91.07512
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.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.8 US tons
Inventory rating26.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length180 ft (55 m)
Longest span89 ft (27.1 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,700 (2021)
Projected traffic1,044 by 2041
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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 C over IH 90 built?

It was built in 1968, making it 57 years old in 2025.

What condition is Cth C over IH 90 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 June 2023.

How much traffic does Cth C over IH 90 carry?

About 8,700 vehicles per day (2021 count).

How long is Cth C over IH 90?

The structure is 180 ft (55 m) long with a longest span of 89 ft (27.1 m) and a deck 47 ft wide.

Who owns Cth C over IH 90?

It is owned by the State Highway Agency.