US Bridges

225th Street over Box Elder Ck

Fair

Pennington County, South Dakota · 2.7N 1.2W Elk Vale Exit · Structure no. 000000052438260

Built
1990
35 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Prestressed Concrete
Length
72 ft
3 main spans
Daily traffic
78
2022 count
Owner
County
County Highway Agency

About this bridge

225th Street over Box Elder Ck is a prestressed concrete tee beam carrying 225th Street over Box Elder Ck in Pennington County, South Dakota. It was built in 1990, so it is 35 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 78 vehicles a day, roughly 2% of them trucks, projected to reach 78 by 2034. The structure is 72 ft (21.9 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries225th Street
CrossesBox Elder Ck
Location2.7N 1.2W Elk Vale Exit
RouteCounty Highway 0
Coordinates44.14021, -103.17505
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating36 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadUnknown
Structure length72 ft (21.9 m)
Longest span30 ft (9.1 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic78 (2022)
Projected traffic78 by 2034
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 225th Street over Box Elder Ck built?

It was built in 1990, making it 35 years old in 2025.

What condition is 225th Street over Box Elder Ck in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does 225th Street over Box Elder Ck carry?

About 78 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 225th Street over Box Elder Ck?

The structure is 72 ft (21.9 m) long with a longest span of 30 ft (9.1 m) and a deck 31 ft wide.

Who owns 225th Street over Box Elder Ck?

It is owned by the County Highway Agency.