US Bridges

Sth 48 over Hay River Flowage

Good

Barron County, Wisconsin · 0.32 MI E Cth P · Structure no. B03021200000000

Built
2022
3 years old
Condition
Good
inspected June 2024
Type
Slab
Concrete
Length
45 ft
1 main span
Daily traffic
5,100
2021 count
Owner
State
State Highway Agency

About this bridge

Sth 48 over Hay River Flowage is a concrete slab carrying Sth 48 over Hay River Flowage in Barron County, Wisconsin. It was built in 2022, so it is 3 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 5,100 vehicles a day, projected to reach 6,100 by 2043. The structure is 45 ft (13.8 m) long and 43 ft wide. If it were closed, the detour would be 20.5 mi (33 km).

CarriesSth 48
CrossesHay River Flowage
Location0.32 MI E Cth P
RouteState Highway 48
Coordinates45.53163, -92.01384
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.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating53.2 US tons
Inventory rating40.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length45 ft (13.8 m)
Longest span42 ft (12.8 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,100 (2021)
Projected traffic6,100 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed20.5 mi (33 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 48 over Hay River Flowage built?

It was built in 2022, making it 3 years old in 2025.

What condition is Sth 48 over Hay River Flowage 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 2024.

How much traffic does Sth 48 over Hay River Flowage carry?

About 5,100 vehicles per day (2021 count).

How long is Sth 48 over Hay River Flowage?

The structure is 45 ft (13.8 m) long with a longest span of 42 ft (12.8 m) and a deck 43 ft wide.

Who owns Sth 48 over Hay River Flowage?

It is owned by the State Highway Agency.