US Bridges

Sly Street over Bear Butte Ck

Good

Meade County, South Dakota · 200 N Int of Sly/Dudley · Structure no. 000000047032429

Built
2013
12 years old
Condition
Good
inspected July 2024
Type
Culvert
Steel
Length
59 ft
6 main spans
Daily traffic
400
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sly Street over Bear Butte Ck is a steel culvert carrying Sly Street over Bear Butte Ck in Meade County, South Dakota. It was built in 2013, so it is 12 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 400 vehicles a day, roughly 5% of them trucks, projected to reach 400 by 2034. The structure is 59 ft (18.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSly Street
CrossesBear Butte Ck
Location200 N Int of Sly/Dudley
RouteCity Street 0
Coordinates44.41708, -103.50914
Functional classUrban Local

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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating40.7 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans6
Design loadHL 93
Structure length59 ft (18.1 m)
Longest span7 ft (2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2022)
Projected traffic400 by 2034
Trucks5%
Lanes on structure2
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 Sly Street over Bear Butte Ck built?

It was built in 2013, making it 12 years old in 2025.

What condition is Sly Street over Bear Butte 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 July 2024.

How much traffic does Sly Street over Bear Butte Ck carry?

About 400 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Sly Street over Bear Butte Ck?

The structure is 59 ft (18.1 m) long with a longest span of 7 ft (2 m).

Who owns Sly Street over Bear Butte Ck?

It is owned by the City or Municipal Highway Agency.