US Bridges

265th Street over Creek

Good

Lyman County, South Dakota · 1N & 0.5W of Iona · Structure no. 000000043465440

Built
2003
22 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
28 ft
1 main span
Daily traffic
10
2022 count
Owner
County
County Highway Agency

About this bridge

265th Street over Creek is a steel stringer/multi-beam or girder carrying 265th Street over Creek in Lyman County, South Dakota. It was built in 2003, so it is 22 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10 vehicles a day, roughly 2% of them trucks, projected to reach 10 by 2032. The structure is 28 ft (8.5 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries265th Street
CrossesCreek
Location1N & 0.5W of Iona
RouteCounty Highway 0
Coordinates43.55765, -99.43191
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 rating46 US tons
Inventory rating26.7 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span26 ft (8 m)
Deck width31 ft (9.3 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2022)
Projected traffic10 by 2032
Trucks2%
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 265th Street over Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is 265th Street over Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does 265th Street over Creek carry?

About 10 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 265th Street over Creek?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (8 m) and a deck 31 ft wide.

Who owns 265th Street over Creek?

It is owned by the County Highway Agency.