US Bridges

SD037 N over Dry Run Ck

Good

Davison County, South Dakota · 4.6 S Sanborn CO Line · Structure no. 000000018150043

Built
1975
50 years old
Condition
Good
inspected June 2024
Type
Slab
Concrete Continuous
Length
126 ft
3 main spans
Daily traffic
1,555
2024 count
Owner
State
State Highway Agency

About this bridge

SD037 N over Dry Run Ck is a concrete continuous slab carrying SD037 N over Dry Run Ck in Davison County, South Dakota. It was built in 1975, so it is 50 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,555 vehicles a day, roughly 11% of them trucks, projected to reach 2,126 by 2044. The structure is 126 ft (38.3 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSD037 N
CrossesDry Run Ck
Location4.6 S Sanborn CO Line
RouteState Highway 37
Coordinates43.78596, -98.02814
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.5 US tons
Inventory rating54.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length126 ft (38.3 m)
Longest span45 ft (13.8 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,555 (2024)
Projected traffic2,126 by 2044
Trucks11%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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 SD037 N over Dry Run Ck built?

It was built in 1975, making it 50 years old in 2025.

What condition is SD037 N over Dry Run Ck in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does SD037 N over Dry Run Ck carry?

About 1,555 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is SD037 N over Dry Run Ck?

The structure is 126 ft (38.3 m) long with a longest span of 45 ft (13.8 m) and a deck 43 ft wide.

Who owns SD037 N over Dry Run Ck?

It is owned by the State Highway Agency.