US Bridges

41450 Airport Road over Creek

Fair

Bon Homme County, South Dakota · 0.7N&0.7W of Springfield · Structure no. 000000005133203

Built
1965
60 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
38 ft
1 main span
Daily traffic
233
2022 count
Owner
County
County Highway Agency

About this bridge

41450 Airport Road over Creek is a steel stringer/multi-beam or girder carrying 41450 Airport Road over Creek in Bon Homme County, South Dakota. It was built in 1965, so it is 60 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 5 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 233 vehicles a day, roughly 2% of them trucks, projected to reach 233 by 2032. The structure is 38 ft (11.7 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
Carries41450 Airport Road
CrossesCreek
Location0.7N&0.7W of Springfield
RouteCounty Highway 0
CountyBon Homme County
StateSouth Dakota
Coordinates42.87608, -97.90566
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.6 US tons
Inventory rating21.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length38 ft (11.7 m)
Longest span37 ft (11.3 m)
Deck width31 ft (9.3 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic233 (2022)
Projected traffic233 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$514,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 41450 Airport Road over Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is 41450 Airport Road 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 May 2023.

How much traffic does 41450 Airport Road over Creek carry?

About 233 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 41450 Airport Road over Creek?

The structure is 38 ft (11.7 m) long with a longest span of 37 ft (11.3 m) and a deck 31 ft wide.

Who owns 41450 Airport Road over Creek?

It is owned by the County Highway Agency.