US Bridges

East Mall Drive over Drainage Ditch

Good

Pennington County, South Dakota · 0.5W Elk Vale RD · Structure no. 000000052445286

Built
2006
19 years old
Condition
Good
inspected April 2022
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
100
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

East Mall Drive over Drainage Ditch is a concrete culvert carrying East Mall Drive over Drainage Ditch in Pennington County, South Dakota. It was built in 2006, so it is 19 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 2% of them trucks, projected to reach 500 by 2032. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesEast Mall Drive
CrossesDrainage Ditch
Location0.5W Elk Vale RD
RouteCity Street 0
Coordinates44.10259, -103.16149
Functional classUrban Minor 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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic500 by 2032
Trucks2%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
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 East Mall Drive over Drainage Ditch built?

It was built in 2006, making it 19 years old in 2025.

What condition is East Mall Drive over Drainage Ditch 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 2022.

How much traffic does East Mall Drive over Drainage Ditch carry?

About 100 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is East Mall Drive over Drainage Ditch?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).

Who owns East Mall Drive over Drainage Ditch?

It is owned by the City or Municipal Highway Agency.