US Bridges

Sth 40 over Soft Maple Creek

Fair

Rusk County, Wisconsin · 3.1M N JCT Cth D · Structure no. B54003000000000

Built
1983
42 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
86 ft
1 main span
Daily traffic
810
2021 count
Owner
State
State Highway Agency

About this bridge

Sth 40 over Soft Maple Creek is a prestressed concrete stringer/multi-beam or girder carrying Sth 40 over Soft Maple Creek in Rusk County, Wisconsin. It was built in 1983, so it is 42 years old, older 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 810 vehicles a day, roughly 18% of them trucks, projected to reach 972 by 2041. The structure is 86 ft (26.1 m) long and 37 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

CarriesSth 40
CrossesSoft Maple Creek
Location3.1M N JCT Cth D
RouteState Highway 40
Coordinates45.37515, -91.33566
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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.4 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length86 ft (26.1 m)
Longest span85 ft (25.9 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic810 (2021)
Projected traffic972 by 2041
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 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 40 over Soft Maple Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Sth 40 over Soft Maple Creek 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 April 2024.

How much traffic does Sth 40 over Soft Maple Creek carry?

About 810 vehicles per day (2021 count), of which roughly 18% are trucks.

How long is Sth 40 over Soft Maple Creek?

The structure is 86 ft (26.1 m) long with a longest span of 85 ft (25.9 m) and a deck 37 ft wide.

Who owns Sth 40 over Soft Maple Creek?

It is owned by the State Highway Agency.