US Bridges

County RD 350 over Drain Dtch

FairPosted for load

Butler County, Missouri · S 33 T 23 N R 6 E · Structure no. 20765

Built
1960
65 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
107 ft
3 main spans
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 350 over Drain Dtch is a steel continuous stringer/multi-beam or girder carrying County RD 350 over Drain Dtch in Butler County, Missouri. It was built in 1960, so it is 65 years old, older 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. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 15% of them trucks, projected to reach 135 by 2044. The structure is 107 ft (32.6 m) long and 19 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCounty RD 350
CrossesDrain Dtch
LocationS 33 T 23 N R 6 E
RouteCounty Highway 350
Coordinates36.59006, -90.42064
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.8 US tons
Inventory rating14.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length107 ft (32.6 m)
Longest span34 ft (10.4 m)
Deck width19 ft (5.9 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic135 by 2044
Trucks15%
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 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 350 over Drain Dtch built?

It was built in 1960, making it 65 years old in 2025.

What condition is County RD 350 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 350 over Drain Dtch carry?

About 100 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is County RD 350 over Drain Dtch?

The structure is 107 ft (32.6 m) long with a longest span of 34 ft (10.4 m) and a deck 19 ft wide.

Who owns County RD 350 over Drain Dtch?

It is owned by the County Highway Agency.