US Bridges

227 ST over Dry Run Ck

Fair

Miner County, South Dakota · 5.0S & 3.1W Carthage · Structure no. 000000049039070

Built
1973
52 years old
Condition
Fair
inspected August 2024
Type
Channel Beam
Concrete
Length
23 ft
1 main span
Daily traffic
75
2022 count
Owner
County
County Highway Agency

About this bridge

227 ST over Dry Run Ck is a concrete channel beam carrying 227 ST over Dry Run Ck in Miner County, South Dakota. It was built in 1973, so it is 52 years old, older 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 75 vehicles a day, roughly 3% of them trucks, projected to reach 75 by 2032. The structure is 23 ft (7 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries227 ST
CrossesDry Run Ck
Location5.0S & 3.1W Carthage
RouteCounty Highway 0
Coordinates44.0961, -97.77182
Functional classRural Minor Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span22 ft (6.7 m)
Deck width32 ft (9.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2022)
Projected traffic75 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 227 ST over Dry Run Ck built?

It was built in 1973, making it 52 years old in 2025.

What condition is 227 ST over Dry Run 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 August 2024.

How much traffic does 227 ST over Dry Run Ck carry?

About 75 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 227 ST over Dry Run Ck?

The structure is 23 ft (7 m) long with a longest span of 22 ft (6.7 m) and a deck 32 ft wide.

Who owns 227 ST over Dry Run Ck?

It is owned by the County Highway Agency.