US Bridges

Slovak Road over Deadmans Ck

Fair

Haakon County, South Dakota · 11N & 11W Philip · Structure no. 000000028051380

Built
1955
70 years old, rebuilt 2001
Condition
Fair
inspected September 2024
Type
Channel Beam
Concrete
Length
28 ft
1 main span
Daily traffic
28
2022 count
Owner
County
County Highway Agency

About this bridge

Slovak Road over Deadmans Ck is a concrete channel beam carrying Slovak Road over Deadmans Ck in Haakon County, South Dakota. It was built in 1955 and reconstructed in 2001, so it is 70 years old, older than the South Dakota average of 48.9 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 28 vehicles a day, roughly 2% of them trucks, projected to reach 28 by 2032. The structure is 28 ft (8.5 m) long and 23 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

Location

Open in Google Maps
CarriesSlovak Road
CrossesDeadmans Ck
Location11N & 11W Philip
RouteCounty Highway 0
CountyHaakon County
StateSouth Dakota
Coordinates44.19751, -101.90756
Functional classRural Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span23 ft (7 m)
Deck width23 ft (6.9 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28 (2022)
Projected traffic28 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$2,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Slovak Road over Deadmans Ck built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 2001.

What condition is Slovak Road over Deadmans Ck 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 September 2024.

How much traffic does Slovak Road over Deadmans Ck carry?

About 28 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Slovak Road over Deadmans Ck?

The structure is 28 ft (8.5 m) long with a longest span of 23 ft (7 m) and a deck 23 ft wide.

Who owns Slovak Road over Deadmans Ck?

It is owned by the County Highway Agency.