US Bridges

IH 90 EB over Cth M/Cth B

Fair

La Crosse County, Wisconsin · 6.2M E JCT Sth 157 to W · Structure no. B32002700000000

Built
1968
57 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
134 ft
3 main spans
Daily traffic
13,200
2022 count
Owner
State
State Highway Agency

About this bridge

IH 90 EB over Cth M/Cth B is a steel continuous stringer/multi-beam or girder carrying IH 90 EB over Cth M/Cth B 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 13,200 vehicles a day, roughly 16% of them trucks, projected to reach 15,935 by 2042. The structure is 134 ft (40.8 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesIH 90 EB
CrossesCth M/Cth B
Location6.2M E JCT Sth 157 to W
RouteInterstate 90
CountyLa Crosse County
StateWisconsin
Coordinates43.88856, -91.10082
Functional classRural Principal Arterial - Interstate

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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.7 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length134 ft (40.8 m)
Longest span50 ft (15.1 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,200 (2022)
Projected traffic15,935 by 2042
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 IH 90 EB over Cth M/Cth B built?

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

What condition is IH 90 EB over Cth M/Cth B 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 IH 90 EB over Cth M/Cth B carry?

About 13,200 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is IH 90 EB over Cth M/Cth B?

The structure is 134 ft (40.8 m) long with a longest span of 50 ft (15.1 m) and a deck 42 ft wide.

Who owns IH 90 EB over Cth M/Cth B?

It is owned by the State Highway Agency.