US Bridges

Cth Q over Trempealeau River

Fair

Trempealeau County, Wisconsin · 0.4M S JCT Sth 93 · Structure no. B61004000000000

Built
1963
62 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
232 ft
5 main spans
Daily traffic
580
2022 count
Owner
County
County Highway Agency

About this bridge

Cth Q over Trempealeau River is a concrete continuous slab carrying Cth Q over Trempealeau River in Trempealeau County, Wisconsin. It was built in 1963, so it is 62 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 580 vehicles a day, projected to reach 596 by 2043. The structure is 232 ft (70.7 m) long and 29 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesCth Q
CrossesTrempealeau River
Location0.4M S JCT Sth 93
RouteCounty Highway 0Q
CountyTrempealeau County
StateWisconsin
Coordinates44.34967, -91.41933
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
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.8 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length232 ft (70.7 m)
Longest span52 ft (15.8 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic580 (2022)
Projected traffic596 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth Q over Trempealeau River built?

It was built in 1963, making it 62 years old in 2025.

What condition is Cth Q over Trempealeau River 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 2024.

How much traffic does Cth Q over Trempealeau River carry?

About 580 vehicles per day (2022 count).

How long is Cth Q over Trempealeau River?

The structure is 232 ft (70.7 m) long with a longest span of 52 ft (15.8 m) and a deck 29 ft wide.

Who owns Cth Q over Trempealeau River?

It is owned by the County Highway Agency.