US Bridges

Sanborn ST (SD37) over Dry Run Ck

Good

Davison County, South Dakota · 0.3N JCTI90 Loop Mitchell · Structure no. 000000018149096

Built
2001
24 years old
Condition
Good
inspected April 2021
Type
Culvert
Concrete Continuous
Length
29 ft
3 main spans
Daily traffic
13,545
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sanborn ST (SD37) over Dry Run Ck is a concrete continuous culvert carrying Sanborn ST (SD37) over Dry Run Ck in Davison County, South Dakota. It was built in 2001, so it is 24 years old, younger 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 13,545 vehicles a day, roughly 3% of them trucks, projected to reach 15,700 by 2032. The structure is 29 ft (8.7 m) long and 69 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSanborn ST (SD37)
CrossesDry Run Ck
Location0.3N JCTI90 Loop Mitchell
RouteCity Street 0
Coordinates43.7067, -98.02963
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionApril 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length29 ft (8.7 m)
Longest span9 ft (2.7 m)
Deck width69 ft (21.1 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,545 (2022)
Projected traffic15,700 by 2032
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Sanborn ST (SD37) over Dry Run Ck built?

It was built in 2001, making it 24 years old in 2025.

What condition is Sanborn ST (SD37) 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 April 2021.

How much traffic does Sanborn ST (SD37) over Dry Run Ck carry?

About 13,545 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Sanborn ST (SD37) over Dry Run Ck?

The structure is 29 ft (8.7 m) long with a longest span of 9 ft (2.7 m) and a deck 69 ft wide.

Who owns Sanborn ST (SD37) over Dry Run Ck?

It is owned by the City or Municipal Highway Agency.