US Bridges

Sth Bus Sth 26-MAI over Rock River

Good

Jefferson County, Wisconsin · 3.9M N JCT Cth K to N · Structure no. B28019200000000

Built
2023
2 years old
Condition
Good
inspected July 2023
Type
Slab
Concrete Continuous
Length
419 ft
7 main spans
Daily traffic
8,500
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sth Bus Sth 26-MAI over Rock River is a concrete continuous slab carrying Sth Bus Sth 26-MAI over Rock River in Jefferson County, Wisconsin. It was built in 2023, so it is 2 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 8,500 vehicles a day, projected to reach 10,200 by 2042. The structure is 419 ft (127.6 m) long and 50 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSth Bus Sth 26-MAI
CrossesRock River
Location3.9M N JCT Cth K to N
RouteState Highway 26
Coordinates42.99693, -88.80744
Functional classUrban Other Principal 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.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJuly 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating42.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHL 93
Structure length419 ft (127.6 m)
Longest span65 ft (19.8 m)
Deck width50 ft (15.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,500 (2022)
Projected traffic10,200 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Bus Sth 26-MAI over Rock River built?

It was built in 2023, making it 2 years old in 2025.

What condition is Sth Bus Sth 26-MAI over 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 July 2023.

How much traffic does Sth Bus Sth 26-MAI over Rock River carry?

About 8,500 vehicles per day (2022 count).

How long is Sth Bus Sth 26-MAI over Rock River?

The structure is 419 ft (127.6 m) long with a longest span of 65 ft (19.8 m) and a deck 50 ft wide.

Who owns Sth Bus Sth 26-MAI over Rock River?

It is owned by the City or Municipal Highway Agency.