US Bridges

County RD 820 over Drain Dtch

Fair

New Madrid County, Missouri · S 24 T 25 N R 14 E · Structure no. 31265

Built
2002
23 years old
Condition
Fair
inspected December 2024
Type
Channel Beam
Concrete Continuous
Length
75 ft
3 main spans
Daily traffic
35
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 820 over Drain Dtch is a concrete continuous channel beam carrying County RD 820 over Drain Dtch in New Madrid County, Missouri. It was built in 2002, so it is 23 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 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 35 vehicles a day, roughly 10% of them trucks, projected to reach 47 by 2043. The structure is 75 ft (22.9 m) long and 25 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCounty RD 820
CrossesDrain Dtch
LocationS 24 T 25 N R 14 E
RouteCounty Highway 820
Coordinates36.78895, -89.49277
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating108.1 US tons
Inventory rating64.5 US tons

Structure

Structure typeChannel Beam
MaterialConcrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length75 ft (22.9 m)
Longest span29 ft (8.8 m)
Deck width25 ft (7.5 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2023)
Projected traffic47 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 820 over Drain Dtch built?

It was built in 2002, making it 23 years old in 2025.

What condition is County RD 820 over Drain Dtch 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 December 2024.

How much traffic does County RD 820 over Drain Dtch carry?

About 35 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 820 over Drain Dtch?

The structure is 75 ft (22.9 m) long with a longest span of 29 ft (8.8 m) and a deck 25 ft wide.

Who owns County RD 820 over Drain Dtch?

It is owned by the County Highway Agency.