US Bridges

East Boulevard over Rapid Ck

Good

Pennington County, South Dakota · 0.1 N JCT Sd 44 - Rc · Structure no. 000000052419299

Built
1977
48 years old
Condition
Good
inspected April 2024
Type
Slab
Concrete Continuous
Length
209 ft
4 main spans
Daily traffic
15,878
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

East Boulevard over Rapid Ck is a concrete continuous slab carrying East Boulevard over Rapid Ck in Pennington County, South Dakota. It was built in 1977, so it is 48 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 15,878 vehicles a day, roughly 2% of them trucks, projected to reach 21,232 by 2032. The structure is 209 ft (63.7 m) long and 94 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesEast Boulevard
CrossesRapid Ck
Location0.1 N JCT Sd 44 - Rc
RouteCity Street 0
Coordinates44.08244, -103.21465
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating27.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length209 ft (63.7 m)
Longest span58 ft (17.7 m)
Deck width94 ft (28.7 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,878 (2022)
Projected traffic21,232 by 2032
Trucks2%
Lanes on structure4
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$7,000
NavigationNo navigation control on waterway

Frequently asked questions

When was East Boulevard over Rapid Ck built?

It was built in 1977, making it 48 years old in 2025.

What condition is East Boulevard over Rapid 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 2024.

How much traffic does East Boulevard over Rapid Ck carry?

About 15,878 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is East Boulevard over Rapid Ck?

The structure is 209 ft (63.7 m) long with a longest span of 58 ft (17.7 m) and a deck 94 ft wide.

Who owns East Boulevard over Rapid Ck?

It is owned by the City or Municipal Highway Agency.