US Bridges

Mo 51 S over Drain Dtch 30

Fair

Butler County, Missouri · S 19 T 22 N R 8 E · Structure no. 1163

Built
1966
59 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
120 ft
3 main spans
Daily traffic
1,201
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 51 S over Drain Dtch 30 is a steel stringer/multi-beam or girder carrying Mo 51 S over Drain Dtch 30 in Butler County, Missouri. It was built in 1966, so it is 59 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.

It carries about 1,201 vehicles a day, roughly 10% of them trucks, projected to reach 1,802 by 2044. The structure is 120 ft (36.6 m) long and 31 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

CarriesMo 51 S
CrossesDrain Dtch 30
LocationS 19 T 22 N R 8 E
RouteState Highway 51
Coordinates36.53222, -90.24852
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating29.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length120 ft (36.6 m)
Longest span46 ft (13.9 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,201 (2024)
Projected traffic1,802 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Mo 51 S over Drain Dtch 30 built?

It was built in 1966, making it 59 years old in 2025.

What condition is Mo 51 S over Drain Dtch 30 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 February 2025.

How much traffic does Mo 51 S over Drain Dtch 30 carry?

About 1,201 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Mo 51 S over Drain Dtch 30?

The structure is 120 ft (36.6 m) long with a longest span of 46 ft (13.9 m) and a deck 31 ft wide.

Who owns Mo 51 S over Drain Dtch 30?

It is owned by the State Highway Agency.