US Bridges

Sth 106 over Scuppernong River

Good

Jefferson County, Wisconsin · 2.7M E JCT Cth Ci · Structure no. B28007100000000

Built
1989
36 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
1,500
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 106 over Scuppernong River is a concrete culvert carrying Sth 106 over Scuppernong River in Jefferson County, Wisconsin. It was built in 1989, so it is 36 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, projected to reach 1,800 by 2042. The structure is 23 ft (7 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSth 106
CrossesScuppernong River
Location2.7M E JCT Cth Ci
RouteState Highway 106
Coordinates42.89814, -88.62357
Functional classRural Minor Arterial

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.
Culvert8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2022)
Projected traffic1,800 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Sth 106 over Scuppernong River built?

It was built in 1989, making it 36 years old in 2025.

What condition is Sth 106 over Scuppernong 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 June 2023.

How much traffic does Sth 106 over Scuppernong River carry?

About 1,500 vehicles per day (2022 count).

How long is Sth 106 over Scuppernong River?

The structure is 23 ft (7 m) long with a longest span of 9 ft (2.7 m).

Who owns Sth 106 over Scuppernong River?

It is owned by the State Highway Agency.