US Bridges

Cth Em over Cnw RR

Good

Dodge County, Wisconsin · 0.3M N JCT Cth Mm · Structure no. B14011300000000

Built
1993
32 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
177 ft
3 main spans
Daily traffic
422
2022 count
Owner
County
County Highway Agency

About this bridge

Cth Em over Cnw RR is a prestressed concrete continuous stringer/multi-beam or girder carrying Cth Em over Cnw RR in Dodge County, Wisconsin. It was built in 1993, so it is 32 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 422 vehicles a day, roughly 15% of them trucks, projected to reach 464 by 2043. The structure is 177 ft (54.1 m) long and 28 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesCth Em
CrossesCnw RR
Location0.3M N JCT Cth Mm
RouteCounty Highway 0EM
Coordinates43.26446, -88.64735
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.2 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length177 ft (54.1 m)
Longest span59 ft (18.1 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic422 (2022)
Projected traffic464 by 2043
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed5.6 mi (9 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Cth Em over Cnw RR built?

It was built in 1993, making it 32 years old in 2025.

What condition is Cth Em over Cnw RR 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 Em over Cnw RR carry?

About 422 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is Cth Em over Cnw RR?

The structure is 177 ft (54.1 m) long with a longest span of 59 ft (18.1 m) and a deck 28 ft wide.

Who owns Cth Em over Cnw RR?

It is owned by the County Highway Agency.