US Bridges

Sth 106 over Tributary to Rock River

Good

Jefferson County, Wisconsin · 500 Ft E JCT Falk RD · Structure no. B28019500000000

Built
2021
4 years old
Condition
Good
inspected November 2023
Type
Slab
Concrete
Length
51 ft
1 main span
Daily traffic
2,200
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 106 over Tributary to Rock River is a concrete slab carrying Sth 106 over Tributary to Rock River in Jefferson County, Wisconsin. It was built in 2021, so it is 4 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 2,200 vehicles a day, roughly 11% of them trucks, projected to reach 2,400 by 2042. The structure is 51 ft (15.5 m) long and 38 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesSth 106
CrossesTributary to Rock River
Location500 Ft E JCT Falk RD
RouteState Highway 106
Coordinates42.92194, -88.86694
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.3 US tons
Inventory rating42.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length51 ft (15.5 m)
Longest span48 ft (14.6 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2022)
Projected traffic2,400 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 Tributary to Rock River built?

It was built in 2021, making it 4 years old in 2025.

What condition is Sth 106 over Tributary to Rock 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 November 2023.

How much traffic does Sth 106 over Tributary to Rock River carry?

About 2,200 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is Sth 106 over Tributary to Rock River?

The structure is 51 ft (15.5 m) long with a longest span of 48 ft (14.6 m) and a deck 38 ft wide.

Who owns Sth 106 over Tributary to Rock River?

It is owned by the State Highway Agency.