US Bridges

Cth G over Shaw Brook

Good

Dodge County, Wisconsin · 0.6M N JCT Cth I · Structure no. B14020500000000

Built
2011
14 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
120 ft
2 main spans
Daily traffic
1,500
2021 count
Owner
County
County Highway Agency

About this bridge

Cth G over Shaw Brook is a prestressed concrete continuous stringer/multi-beam or girder carrying Cth G over Shaw Brook 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 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 1,500 vehicles a day, roughly 6% of them trucks, projected to reach 1,800 by 2041. The structure is 120 ft (36.6 m) long and 38 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCth G
CrossesShaw Brook
Location0.6M N JCT Cth I
RouteCounty Highway 0G
Coordinates43.36064, -88.81891
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.
Superstructure9 ExcellentNo 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 within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.9 US tons
Inventory rating56.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length120 ft (36.6 m)
Longest span58 ft (17.7 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2021)
Projected traffic1,800 by 2041
Trucks6%
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 G over Shaw Brook built?

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

What condition is Cth G over Shaw Brook 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 Shaw Brook carry?

About 1,500 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Cth G over Shaw Brook?

The structure is 120 ft (36.6 m) long with a longest span of 58 ft (17.7 m) and a deck 38 ft wide.

Who owns Cth G over Shaw Brook?

It is owned by the County Highway Agency.