US Bridges

27630 415 Ave. over North Br Dry Ck

Fair

Hutchinson County, South Dakota · 4.5E & 0.3S Parkston · Structure no. 000000034110083

Built
1915
110 years old, rebuilt 1976
Condition
Fair
inspected May 2024
Type
Tee Beam
Prestressed Concrete
Length
37 ft
1 main span
Daily traffic
69
2022 count
Owner
County
County Highway Agency

About this bridge

27630 415 Ave. over North Br Dry Ck is a prestressed concrete tee beam carrying 27630 415 Ave. over North Br Dry Ck in Hutchinson County, South Dakota. It was built in 1915 and reconstructed in 1976, so it is 110 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 69 vehicles a day, roughly 2% of them trucks, projected to reach 69 by 2032. The structure is 37 ft (11.2 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries27630 415 Ave.
CrossesNorth Br Dry Ck
Location4.5E & 0.3S Parkston
RouteCounty Highway 0
Coordinates43.3796, -97.89702
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
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 inspectionMay 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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length37 ft (11.2 m)
Longest span35 ft (10.7 m)
Deck width31 ft (9.4 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic69 (2022)
Projected traffic69 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$25,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 27630 415 Ave. over North Br Dry Ck built?

It was built in 1915, making it 110 years old in 2025. It was reconstructed in 1976.

What condition is 27630 415 Ave. over North Br Dry 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 May 2024.

How much traffic does 27630 415 Ave. over North Br Dry Ck carry?

About 69 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 27630 415 Ave. over North Br Dry Ck?

The structure is 37 ft (11.2 m) long with a longest span of 35 ft (10.7 m) and a deck 31 ft wide.

Who owns 27630 415 Ave. over North Br Dry Ck?

It is owned by the County Highway Agency.