US Bridges

Sth 48 over Red Cedar River

Fair

Barron County, Wisconsin · 0.1M E JCT Cth M to N · Structure no. B03007900000000

Built
1987
38 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete Continuous
Length
100 ft
2 main spans
Daily traffic
4,300
2021 count
Owner
State
State Highway Agency

About this bridge

Sth 48 over Red Cedar River is a concrete continuous slab carrying Sth 48 over Red Cedar River in Barron County, Wisconsin. It was built in 1987, so it is 38 years old, younger than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 4,300 vehicles a day, roughly 7% of them trucks, projected to reach 5,160 by 2041. The structure is 100 ft (30.4 m) long and 53 ft wide. If it were closed, the detour would be 23.6 mi (38 km).

CarriesSth 48
CrossesRed Cedar River
Location0.1M E JCT Cth M to N
RouteState Highway 48
Coordinates45.53018, -91.70328
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.5 US tons
Inventory rating41.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length100 ft (30.4 m)
Longest span48 ft (14.6 m)
Deck width53 ft (16.2 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,300 (2021)
Projected traffic5,160 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23.6 mi (38 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 Red Cedar River built?

It was built in 1987, making it 38 years old in 2025.

What condition is Sth 48 over Red Cedar River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.

How much traffic does Sth 48 over Red Cedar River carry?

About 4,300 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is Sth 48 over Red Cedar River?

The structure is 100 ft (30.4 m) long with a longest span of 48 ft (14.6 m) and a deck 53 ft wide.

Who owns Sth 48 over Red Cedar River?

It is owned by the State Highway Agency.