US Bridges

Cth F over Alto Creek

Good

Dodge County, Wisconsin · At Alto Creek · Structure no. B14020800000000

Built
2011
14 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
440
2021 count
Owner
County
County Highway Agency

About this bridge

Cth F over Alto Creek is a concrete culvert carrying Cth F over Alto Creek in Dodge County, Wisconsin. It was built in 2011, so it is 14 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 440 vehicles a day, roughly 2% of them trucks, projected to reach 528 by 2041. The structure is 21 ft (6.3 m) long and 54 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCth F
CrossesAlto Creek
LocationAt Alto Creek
RouteCounty Highway 0F
Coordinates43.60441, -88.8683
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width54 ft (16.5 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic440 (2021)
Projected traffic528 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 F over Alto Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is Cth F over Alto 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 F over Alto Creek carry?

About 440 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Cth F over Alto Creek?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m) and a deck 54 ft wide.

Who owns Cth F over Alto Creek?

It is owned by the County Highway Agency.