US Bridges

Sth 70 over Yellow River

Good

Washburn County, Wisconsin · 1.2 MI E Ush 63 · Structure no. B65005400000000

Built
2023
2 years old
Condition
Good
inspected November 2023
Type
Slab
Concrete
Length
49 ft
1 main span
Daily traffic
5,600
2023 count
Owner
State
State Highway Agency

About this bridge

Sth 70 over Yellow River is a concrete slab carrying Sth 70 over Yellow River in Washburn 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 5,600 vehicles a day, projected to reach 6,800 by 2042. The structure is 49 ft (15 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSth 70
CrossesYellow River
Location1.2 MI E Ush 63
RouteState Highway 70
Coordinates45.82086, -91.86653
Functional classRural Principal Arterial - Other

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 inspectionNovember 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 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 rating68.9 US tons
Inventory rating53.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length49 ft (15 m)
Longest span46 ft (14 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,600 (2023)
Projected traffic6,800 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 70 over Yellow River built?

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

What condition is Sth 70 over Yellow 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 70 over Yellow River carry?

About 5,600 vehicles per day (2023 count).

How long is Sth 70 over Yellow River?

The structure is 49 ft (15 m) long with a longest span of 46 ft (14 m) and a deck 43 ft wide.

Who owns Sth 70 over Yellow River?

It is owned by the State Highway Agency.