US Bridges

Cth B over IH 90

Fair

La Crosse County, Wisconsin · 1.1M N JCT Cth Bw · Structure no. B32005200000000

Built
1967
58 years old, rebuilt 2016
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
224 ft
2 main spans
Daily traffic
7,000
2021 count
Owner
State
State Highway Agency

About this bridge

Cth B over IH 90 is a steel continuous stringer/multi-beam or girder carrying Cth B over IH 90 in La Crosse County, Wisconsin. It was built in 1967 and reconstructed in 2016, so it is 58 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 7,000 vehicles a day, projected to reach 10,100 by 2042. The structure is 224 ft (68.4 m) long and 66 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCth B
CrossesIH 90
Location1.1M N JCT Cth Bw
RouteCounty Highway 0B
CountyLa Crosse County
StateWisconsin
Coordinates43.8612, -91.25535
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 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 rating57.7 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length224 ft (68.4 m)
Longest span110 ft (33.4 m)
Deck width66 ft (20.1 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,000 (2021)
Projected traffic10,100 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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 B over IH 90 built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2016.

What condition is Cth B 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 November 2023.

How much traffic does Cth B over IH 90 carry?

About 7,000 vehicles per day (2021 count).

How long is Cth B over IH 90?

The structure is 224 ft (68.4 m) long with a longest span of 110 ft (33.4 m) and a deck 66 ft wide.

Who owns Cth B over IH 90?

It is owned by the State Highway Agency.