US Bridges

Cth B (10th Ave) over IH 90

Fair

La Crosse County, Wisconsin · 0.3M S JCT Cth U · Structure no. B32006100000000

Built
1968
57 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
192 ft
2 main spans
Daily traffic
330
2022 count
Owner
State
State Highway Agency

About this bridge

Cth B (10th Ave) over IH 90 is a steel continuous stringer/multi-beam or girder carrying Cth B (10th Ave) 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 330 vehicles a day, projected to reach 700 by 2042. The structure is 192 ft (58.6 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCth B (10th Ave)
CrossesIH 90
Location0.3M S JCT Cth U
RouteCounty Highway 0B
CountyLa Crosse County
StateWisconsin
Coordinates43.88705, -90.98055
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating21.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length192 ft (58.6 m)
Longest span94 ft (28.7 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic330 (2022)
Projected traffic700 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 (10th Ave) over IH 90 built?

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

What condition is Cth B (10th Ave) 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 B (10th Ave) over IH 90 carry?

About 330 vehicles per day (2022 count).

How long is Cth B (10th Ave) over IH 90?

The structure is 192 ft (58.6 m) long with a longest span of 94 ft (28.7 m) and a deck 36 ft wide.

Who owns Cth B (10th Ave) over IH 90?

It is owned by the State Highway Agency.