US Bridges

County RD # 424 over Drain Dtch

Good

Dunklin County, Missouri · S 12 T 19 N R 9 E · Structure no. 20864

Built
1996
29 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
100
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

County RD # 424 over Drain Dtch is a steel stringer/multi-beam or girder carrying County RD # 424 over Drain Dtch in Dunklin County, Missouri. It was built in 1996, so it is 29 years old, younger than the Missouri average of 45.1 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 140 by 2044. The structure is 50 ft (15.2 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty RD # 424
CrossesDrain Dtch
LocationS 12 T 19 N R 9 E
RouteCounty Highway 278
Coordinates36.30194, -90.05028
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating32.7 US tons
Inventory rating19.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length50 ft (15.2 m)
Longest span49 ft (14.9 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic140 by 2044
Trucks10%
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

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 County RD # 424 over Drain Dtch built?

It was built in 1996, making it 29 years old in 2025.

What condition is County RD # 424 over Drain Dtch 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 February 2024.

How much traffic does County RD # 424 over Drain Dtch carry?

About 100 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD # 424 over Drain Dtch?

The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.9 m) and a deck 25 ft wide.

Who owns County RD # 424 over Drain Dtch?

It is owned by the Town or Township Highway Agency.