US Bridges

Sth 56 over Upper Camp Creek

Fair

Richland County, Wisconsin · 1.5M E JCT Cth Mm to S · Structure no. B52008400000000

Built
1987
38 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete
Length
44 ft
1 main span
Daily traffic
1,200
2021 count
Owner
State
State Highway Agency

About this bridge

Sth 56 over Upper Camp Creek is a concrete slab carrying Sth 56 over Upper Camp Creek in Richland 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 5 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 1,200 vehicles a day, roughly 9% of them trucks, projected to reach 1,300 by 2041. The structure is 44 ft (13.5 m) long and 38 ft wide. If it were closed, the detour would be 20.5 mi (33 km).

CarriesSth 56
CrossesUpper Camp Creek
Location1.5M E JCT Cth Mm to S
RouteState Highway 56
Coordinates43.4953, -90.57587
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66.6 US tons
Inventory rating39.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length44 ft (13.5 m)
Longest span42 ft (12.8 m)
Deck width38 ft (11.5 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2021)
Projected traffic1,300 by 2041
Trucks9%
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 56 over Upper Camp Creek built?

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

What condition is Sth 56 over Upper Camp 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 March 2024.

How much traffic does Sth 56 over Upper Camp Creek carry?

About 1,200 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is Sth 56 over Upper Camp Creek?

The structure is 44 ft (13.5 m) long with a longest span of 42 ft (12.8 m) and a deck 38 ft wide.

Who owns Sth 56 over Upper Camp Creek?

It is owned by the State Highway Agency.