US Bridges

Cth G over Root River Canal

Poor

Racine County, Wisconsin · 0.5M E JCT Cth U · Structure no. B51057500000000

Built
1949
76 years old, rebuilt 1982
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
113 ft
2 main spans
Daily traffic
1,802
2022 count
Owner
County
County Highway Agency

About this bridge

Cth G over Root River Canal is a steel stringer/multi-beam or girder carrying Cth G over Root River Canal in Racine County, Wisconsin. It was built in 1949 and reconstructed in 1982, so it is 76 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,802 vehicles a day, projected to reach 1,982 by 2043. The structure is 113 ft (34.5 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCth G
CrossesRoot River Canal
Location0.5M E JCT Cth U
RouteCounty Highway 0G
CountyRacine County
StateWisconsin
Coordinates42.81541, -87.99507
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.8 US tons
Inventory rating32.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length113 ft (34.5 m)
Longest span54 ft (16.5 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,802 (2022)
Projected traffic1,982 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$622,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth G over Root River Canal built?

It was built in 1949, making it 76 years old in 2025. It was reconstructed in 1982.

What condition is Cth G over Root River Canal in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Cth G over Root River Canal carry?

About 1,802 vehicles per day (2022 count).

How long is Cth G over Root River Canal?

The structure is 113 ft (34.5 m) long with a longest span of 54 ft (16.5 m) and a deck 32 ft wide.

Who owns Cth G over Root River Canal?

It is owned by the County Highway Agency.