US Bridges

Sth 106 over Bark River

Good

Jefferson County, Wisconsin · 0.3M E JCT Cth D to S · Structure no. B28018300000000

Built
2017
8 years old
Condition
Good
inspected October 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
93 ft
1 main span
Daily traffic
1,900
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 106 over Bark River is a prestressed concrete stringer/multi-beam or girder carrying Sth 106 over Bark River in Jefferson County, Wisconsin. It was built in 2017, so it is 8 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 1,900 vehicles a day, roughly 11% of them trucks, projected to reach 2,300 by 2038. The structure is 93 ft (28.3 m) long and 38 ft wide. If it were closed, the detour would be 23 mi (37 km).

CarriesSth 106
CrossesBark River
Location0.3M E JCT Cth D to S
RouteState Highway 106
Coordinates42.93111, -88.69136
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.9 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length93 ft (28.3 m)
Longest span89 ft (27.1 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2022)
Projected traffic2,300 by 2038
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 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 Bark River built?

It was built in 2017, making it 8 years old in 2025.

What condition is Sth 106 over Bark 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 October 2021.

How much traffic does Sth 106 over Bark River carry?

About 1,900 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is Sth 106 over Bark River?

The structure is 93 ft (28.3 m) long with a longest span of 89 ft (27.1 m) and a deck 38 ft wide.

Who owns Sth 106 over Bark River?

It is owned by the State Highway Agency.