US Bridges

Mo 51 S over Drain Dtch No 17

Fair

Butler County, Missouri · S 29 T 25 N R 8 E · Structure no. 4586

Built
1940
85 years old
Condition
Fair
inspected February 2025
Type
Slab
Concrete
Length
49 ft
3 main spans
Daily traffic
2,141
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 51 S over Drain Dtch No 17 is a concrete slab carrying Mo 51 S over Drain Dtch No 17 in Butler County, Missouri. It was built in 1940, so it is 85 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 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 2,141 vehicles a day, roughly 13% of them trucks, projected to reach 3,212 by 2044. The structure is 49 ft (14.9 m) long and 30 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

Location

Open in Google Maps
CarriesMo 51 S
CrossesDrain Dtch No 17
LocationS 29 T 25 N R 8 E
RouteState Highway 51
CountyButler County
StateMissouri
Coordinates36.77867, -90.21364
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.7 US tons
Inventory rating25.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length49 ft (14.9 m)
Longest span16 ft (5 m)
Deck width30 ft (9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,141 (2024)
Projected traffic3,212 by 2044
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.8 mi (64 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$470,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 51 S over Drain Dtch No 17 built?

It was built in 1940, making it 85 years old in 2025.

What condition is Mo 51 S over Drain Dtch No 17 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 No 17 carry?

About 2,141 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is Mo 51 S over Drain Dtch No 17?

The structure is 49 ft (14.9 m) long with a longest span of 16 ft (5 m) and a deck 30 ft wide.

Who owns Mo 51 S over Drain Dtch No 17?

It is owned by the State Highway Agency.