US Bridges

County RD 340 over Drain Dtch

Fair

Butler County, Missouri · S 20 T 23 N R 5 E · Structure no. 21784

Built
1993
32 years old
Condition
Fair
inspected November 2023
Type
Culvert
Steel
Length
26 ft
3 main spans
Daily traffic
50
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 340 over Drain Dtch is a steel culvert carrying County RD 340 over Drain Dtch in Butler County, Missouri. It was built in 1993, so it is 32 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 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 50 vehicles a day, roughly 30% of them trucks, projected to reach 68 by 2044. The structure is 26 ft (7.9 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesCounty RD 340
CrossesDrain Dtch
LocationS 20 T 23 N R 5 E
RouteCounty Highway 340
CountyButler County
StateMissouri
Coordinates36.62052, -90.53849
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating25.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadOther
Structure length26 ft (7.9 m)
Longest span7 ft (2.1 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic68 by 2044
Trucks30%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 County RD 340 over Drain Dtch built?

It was built in 1993, making it 32 years old in 2025.

What condition is County RD 340 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 November 2023.

How much traffic does County RD 340 over Drain Dtch carry?

About 50 vehicles per day (2024 count), of which roughly 30% are trucks.

How long is County RD 340 over Drain Dtch?

The structure is 26 ft (7.9 m) long with a longest span of 7 ft (2.1 m) and a deck 20 ft wide.

Who owns County RD 340 over Drain Dtch?

It is owned by the County Highway Agency.