US Bridges

404th Avenue over Dry Run Ck

Fair

Davison County, South Dakota · 1W 2.IN Loomis · Structure no. 000000018100019

Built
1964
61 years old
Condition
Fair
inspected July 2024
Type
Channel Beam
Concrete
Length
51 ft
2 main spans
Daily traffic
163
2022 count
Owner
County
County Highway Agency

About this bridge

404th Avenue over Dry Run Ck is a concrete channel beam carrying 404th Avenue over Dry Run Ck in Davison County, South Dakota. It was built in 1964, so it is 61 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 163 vehicles a day, roughly 3% of them trucks, projected to reach 163 by 2032. The structure is 51 ft (15.5 m) long and 32 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Carries404th Avenue
CrossesDry Run Ck
Location1W 2.IN Loomis
RouteCounty Highway 0
Coordinates43.81857, -98.12689
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 inspectionJuly 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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.6 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadUnknown
Structure length51 ft (15.5 m)
Longest span26 ft (7.9 m)
Deck width32 ft (9.7 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic163 (2022)
Projected traffic163 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 404th Avenue over Dry Run Ck built?

It was built in 1964, making it 61 years old in 2025.

What condition is 404th Avenue over Dry Run Ck 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 July 2024.

How much traffic does 404th Avenue over Dry Run Ck carry?

About 163 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 404th Avenue over Dry Run Ck?

The structure is 51 ft (15.5 m) long with a longest span of 26 ft (7.9 m) and a deck 32 ft wide.

Who owns 404th Avenue over Dry Run Ck?

It is owned by the County Highway Agency.