US Bridges

414th Avenue over Fordham Creek

Fair

Clark County, South Dakota · 5.5N of Raymond · Structure no. 000000013020111

Built
1956
69 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete Continuous
Length
67 ft
3 main spans
Daily traffic
236
2022 count
Owner
County
County Highway Agency

About this bridge

414th Avenue over Fordham Creek is a concrete continuous slab carrying 414th Avenue over Fordham Creek in Clark County, South Dakota. It was built in 1956, so it is 69 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 236 vehicles a day, roughly 3% of them trucks, projected to reach 236 by 2032. The structure is 67 ft (20.4 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries414th Avenue
CrossesFordham Creek
Location5.5N of Raymond
RouteCounty Highway 6299
Coordinates44.99265, -97.94238
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length67 ft (20.4 m)
Longest span25 ft (7.6 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic236 (2022)
Projected traffic236 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 414th Avenue over Fordham Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is 414th Avenue over Fordham 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 June 2024.

How much traffic does 414th Avenue over Fordham Creek carry?

About 236 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 414th Avenue over Fordham Creek?

The structure is 67 ft (20.4 m) long with a longest span of 25 ft (7.6 m) and a deck 28 ft wide.

Who owns 414th Avenue over Fordham Creek?

It is owned by the County Highway Agency.