US Bridges

225 ST over Creek

Fair

Miner County, South Dakota · 3S & 2.5 E Carthage · Structure no. 000000049095050

Built
1973
52 years old
Condition
Fair
inspected August 2024
Type
Channel Beam
Concrete
Length
25 ft
1 main span
Daily traffic
35
2022 count
Owner
County
County Highway Agency

About this bridge

225 ST over Creek is a concrete channel beam carrying 225 ST over Creek 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 35 vehicles a day, roughly 2% of them trucks, projected to reach 35 by 2032. The structure is 25 ft (7.6 m) long and 25 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries225 ST
CrossesCreek
Location3S & 2.5 E Carthage
Coordinates44.1247, -97.66109
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
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 geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2022)
Projected traffic35 by 2032
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 225 ST over Creek built?

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

What condition is 225 ST over Creek 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 225 ST over Creek carry?

About 35 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 225 ST over Creek?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 25 ft wide.

Who owns 225 ST over Creek?

It is owned by the County Highway Agency.