US Bridges

Cth O over Br Little Sugar River

Good

Green County, Wisconsin · 1.9M N JCT Sth 39 · Structure no. P23094500000000

Built
1979
46 years old
Condition
Good
inspected May 2024
Type
Culvert
Steel
Length
32 ft
3 main spans
Daily traffic
360
2022 count
Owner
County
County Highway Agency

About this bridge

Cth O over Br Little Sugar River is a steel culvert carrying Cth O over Br Little Sugar River in Green County, Wisconsin. It was built in 1979, so it is 46 years old, older 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 360 vehicles a day, projected to reach 788 by 2043. The structure is 32 ft (9.7 m) long. If it were closed, the detour would be 7.5 mi (12 km).

CarriesCth O
CrossesBr Little Sugar River
Location1.9M N JCT Sth 39
RouteCounty Highway 0O
Coordinates42.83847, -89.65402
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadH 15
Structure length32 ft (9.7 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic360 (2022)
Projected traffic788 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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 O over Br Little Sugar River built?

It was built in 1979, making it 46 years old in 2025.

What condition is Cth O over Br Little Sugar 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 May 2024.

How much traffic does Cth O over Br Little Sugar River carry?

About 360 vehicles per day (2022 count).

How long is Cth O over Br Little Sugar River?

The structure is 32 ft (9.7 m) long with a longest span of 6 ft (1.8 m).

Who owns Cth O over Br Little Sugar River?

It is owned by the County Highway Agency.