US Bridges

County RD 659 over Menorkenuk Slu

Good

Butler County, Missouri · S 19 T 23 N R 8 E · Structure no. 17921

Built
1929
96 years old, rebuilt 1990
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
180 ft
3 main spans
Daily traffic
50
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 659 over Menorkenuk Slu is a prestressed concrete stringer/multi-beam or girder carrying County RD 659 over Menorkenuk Slu in Butler County, Missouri. It was built in 1929 and reconstructed in 1990, so it is 96 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, roughly 15% of them trucks, projected to reach 68 by 2044. The structure is 180 ft (54.9 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCounty RD 659
CrossesMenorkenuk Slu
LocationS 19 T 23 N R 8 E
RouteCounty Highway 659
Coordinates36.62054, -90.24702
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length180 ft (54.9 m)
Longest span60 ft (18.3 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic68 by 2044
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 659 over Menorkenuk Slu built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1990.

What condition is County RD 659 over Menorkenuk Slu in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does County RD 659 over Menorkenuk Slu carry?

About 50 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is County RD 659 over Menorkenuk Slu?

The structure is 180 ft (54.9 m) long with a longest span of 60 ft (18.3 m) and a deck 27 ft wide.

Who owns County RD 659 over Menorkenuk Slu?

It is owned by the County Highway Agency.