US Bridges

Sth 56 over Dry Run

FairPosted for load

Vernon County, Wisconsin · At STH56 & Otter ST Int · Structure no. B62054900000000

Built
1932
93 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
1,100
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 56 over Dry Run is a concrete slab carrying Sth 56 over Dry Run in Vernon County, Wisconsin. It was built in 1932, so it is 93 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. Its operating status is: posted for other load-capacity restriction.

It carries about 1,100 vehicles a day, projected to reach 550 by 2043. The structure is 23 ft (7.1 m) long and 56 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSth 56
CrossesDry Run
LocationAt STH56 & Otter ST Int
RouteState Highway 0
Coordinates43.57461, -91.22578
Functional classRural Minor Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.8 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length23 ft (7.1 m)
Longest span20 ft (6.1 m)
Deck width56 ft (17.1 m)
Roadway width49 ft (14.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2022)
Projected traffic550 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Dry Run built?

It was built in 1932, making it 93 years old in 2025.

What condition is Sth 56 over Dry Run 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 May 2024.

How much traffic does Sth 56 over Dry Run carry?

About 1,100 vehicles per day (2022 count).

How long is Sth 56 over Dry Run?

The structure is 23 ft (7.1 m) long with a longest span of 20 ft (6.1 m) and a deck 56 ft wide.

Who owns Sth 56 over Dry Run?

It is owned by the State Highway Agency.