US Bridges

Bean Road over Inlet Channel

Fair

Butte County, South Dakota · 2.1N & 3.5E Belle Fourche · Structure no. 000000010135348

Built
1997
28 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Prestressed Concrete
Length
72 ft
1 main span
Daily traffic
20
2022 count
Owner
County
County Highway Agency

About this bridge

Bean Road over Inlet Channel is a prestressed concrete tee beam carrying Bean Road over Inlet Channel in Butte County, South Dakota. It was built in 1997, so it is 28 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 20 vehicles a day, projected to reach 20 by 2042. The structure is 72 ft (21.8 m) long and 24 ft wide.

Location

Open in Google Maps
CarriesBean Road
CrossesInlet Channel
Location2.1N & 3.5E Belle Fourche
RouteCounty Highway 0
CountyButte County
StateSouth Dakota
Coordinates44.70545, -103.78085
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length72 ft (21.8 m)
Longest span70 ft (21.2 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2022)
Projected traffic20 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Bean Road over Inlet Channel built?

It was built in 1997, making it 28 years old in 2025.

What condition is Bean Road over Inlet Channel 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 August 2024.

How much traffic does Bean Road over Inlet Channel carry?

About 20 vehicles per day (2022 count).

How long is Bean Road over Inlet Channel?

The structure is 72 ft (21.8 m) long with a longest span of 70 ft (21.2 m) and a deck 24 ft wide.

Who owns Bean Road over Inlet Channel?

It is owned by the County Highway Agency.