US Bridges

419th Avenue over Spain Ditch

Fair

Marshall County, South Dakota · 0.5W & 5.9N of Langford · Structure no. 000000046070171

Built
1971
54 years old
Condition
Fair
inspected June 2023
Type
Channel Beam
Concrete
Length
25 ft
1 main span
Daily traffic
16
2022 count
Owner
County
County Highway Agency

About this bridge

419th Avenue over Spain Ditch is a concrete channel beam carrying 419th Avenue over Spain Ditch in Marshall County, South Dakota. It was built in 1971, so it is 54 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 16 vehicles a day, roughly 3% of them trucks, projected to reach 16 by 2032. The structure is 25 ft (7.6 m) long and 29 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
Carries419th Avenue
CrossesSpain Ditch
Location0.5W & 5.9N of Langford
RouteCounty Highway 6263
CountyMarshall County
StateSouth Dakota
Coordinates45.68957, -97.83434
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 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 geometry7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 loadH 15
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16 (2022)
Projected traffic16 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 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 419th Avenue over Spain Ditch built?

It was built in 1971, making it 54 years old in 2025.

What condition is 419th Avenue over Spain Ditch 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 2023.

How much traffic does 419th Avenue over Spain Ditch carry?

About 16 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 419th Avenue over Spain Ditch?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 29 ft wide.

Who owns 419th Avenue over Spain Ditch?

It is owned by the County Highway Agency.