US Bridges

Cth G over Beaver Dam Lake

Good

Dodge County, Wisconsin · 3.3M N JCT Cth Cp · Structure no. B14013900000000

Built
1997
28 years old
Condition
Good
inspected May 2024
Type
Slab
Concrete
Length
32 ft
1 main span
Daily traffic
1,793
2022 count
Owner
County
County Highway Agency

About this bridge

Cth G over Beaver Dam Lake is a concrete slab carrying Cth G over Beaver Dam Lake in Dodge County, Wisconsin. It was built in 1997, so it is 28 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 1,793 vehicles a day, projected to reach 1,972 by 2043. The structure is 32 ft (9.8 m) long and 37 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesCth G
CrossesBeaver Dam Lake
Location3.3M N JCT Cth Cp
RouteCounty Highway 0G
Coordinates43.5122, -88.95874
Functional classRural Major 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.
Substructure9 ExcellentNo 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 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 rating61.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span30 ft (9 m)
Deck width37 ft (11.4 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,793 (2022)
Projected traffic1,972 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 G over Beaver Dam Lake built?

It was built in 1997, making it 28 years old in 2025.

What condition is Cth G over Beaver Dam Lake 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 G over Beaver Dam Lake carry?

About 1,793 vehicles per day (2022 count).

How long is Cth G over Beaver Dam Lake?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9 m) and a deck 37 ft wide.

Who owns Cth G over Beaver Dam Lake?

It is owned by the County Highway Agency.