US Bridges

Cth S over Fly Creek

Good

Trempealeau County, Wisconsin · 3.3M S JCT Ush 53 · Structure no. B61016800000000

Built
2002
23 years old
Condition
Good
inspected May 2024
Type
Slab
Concrete
Length
37 ft
1 main span
Daily traffic
702
2022 count
Owner
County
County Highway Agency

About this bridge

Cth S over Fly Creek is a concrete slab carrying Cth S over Fly Creek in Trempealeau County, Wisconsin. It was built in 2002, so it is 23 years old, younger than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 702 vehicles a day, roughly 10% of them trucks, projected to reach 772 by 2043. The structure is 37 ft (11.2 m) long and 32 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesCth S
CrossesFly Creek
Location3.3M S JCT Ush 53
RouteCounty Highway 0S
Coordinates44.35367, -91.246
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66.6 US tons
Inventory rating39.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length37 ft (11.2 m)
Longest span34 ft (10.4 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic702 (2022)
Projected traffic772 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 S over Fly Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is Cth S over Fly Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does Cth S over Fly Creek carry?

About 702 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Cth S over Fly Creek?

The structure is 37 ft (11.2 m) long with a longest span of 34 ft (10.4 m) and a deck 32 ft wide.

Who owns Cth S over Fly Creek?

It is owned by the County Highway Agency.