US Bridges

Cth G over Pecatonica River

Good

Iowa County, Wisconsin · 1.7M N JCT Cth X · Structure no. B25018000000000

Built
2019
6 years old
Condition
Good
inspected January 2024
Type
Slab
Concrete Continuous
Length
65 ft
2 main spans
Daily traffic
220
2022 count
Owner
County
County Highway Agency

About this bridge

Cth G over Pecatonica River is a concrete continuous slab carrying Cth G over Pecatonica River in Iowa County, Wisconsin. It was built in 2019, so it is 6 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 220 vehicles a day, roughly 8% of them trucks, projected to reach 240 by 2043. The structure is 65 ft (19.8 m) long and 32 ft wide. If it were closed, the detour would be 10.6 mi (17 km).

CarriesCth G
CrossesPecatonica River
Location1.7M N JCT Cth X
RouteCounty Highway 0G
Coordinates42.92972, -90.33603
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 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 alignment6: Equal to present minimum criteria
Operating rating55.3 US tons
Inventory rating42.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length65 ft (19.8 m)
Longest span31 ft (9.4 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (2022)
Projected traffic240 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed10.6 mi (17 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 Pecatonica River built?

It was built in 2019, making it 6 years old in 2025.

What condition is Cth G over Pecatonica River 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 January 2024.

How much traffic does Cth G over Pecatonica River carry?

About 220 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Cth G over Pecatonica River?

The structure is 65 ft (19.8 m) long with a longest span of 31 ft (9.4 m) and a deck 32 ft wide.

Who owns Cth G over Pecatonica River?

It is owned by the County Highway Agency.