US Bridges

Cth U over South Fork Ames Branch

Good

Lafayette County, Wisconsin · 2.9M N JCT Sth 11 · Structure no. B33013400000000

Built
2018
7 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete
Length
40 ft
1 main span
Daily traffic
260
2022 count
Owner
County
County Highway Agency

About this bridge

Cth U over South Fork Ames Branch is a concrete slab carrying Cth U over South Fork Ames Branch in Lafayette County, Wisconsin. It was built in 2018, so it is 7 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 260 vehicles a day, roughly 5% of them trucks, projected to reach 300 by 2043. The structure is 40 ft (12.3 m) long and 32 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCth U
CrossesSouth Fork Ames Branch
Location2.9M N JCT Sth 11
RouteCounty Highway 0U
Coordinates42.62593, -90.22078
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating38.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length40 ft (12.3 m)
Longest span38 ft (11.6 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic260 (2022)
Projected traffic300 by 2043
Trucks5%
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 U over South Fork Ames Branch built?

It was built in 2018, making it 7 years old in 2025.

What condition is Cth U over South Fork Ames Branch 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 September 2024.

How much traffic does Cth U over South Fork Ames Branch carry?

About 260 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Cth U over South Fork Ames Branch?

The structure is 40 ft (12.3 m) long with a longest span of 38 ft (11.6 m) and a deck 32 ft wide.

Who owns Cth U over South Fork Ames Branch?

It is owned by the County Highway Agency.