US Bridges

J. W. Cummins RD over Sni-A-Bar CR

Fair

Lafayette County, Missouri · S 22 T 48 N R 29 W · Structure no. 24226

Built
1930
95 years old, rebuilt 1987
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
48 ft
1 main span
Daily traffic
45
2024 count
Owner
County
County Highway Agency

About this bridge

J. W. Cummins RD over Sni-A-Bar CR is a steel stringer/multi-beam or girder carrying J. W. Cummins RD over Sni-A-Bar CR in Lafayette County, Missouri. It was built in 1930 and reconstructed in 1987, so it is 95 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 45 vehicles a day, roughly 10% of them trucks, projected to reach 59 by 2044. The structure is 48 ft (14.6 m) long and 20 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesJ. W. Cummins RD
CrossesSni-A-Bar CR
LocationS 22 T 48 N R 29 W
RouteCounty Highway 466
CountyLafayette County
StateMissouri
Coordinates38.94748, -94.10341
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating25.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length48 ft (14.6 m)
Longest span45 ft (13.7 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2024)
Projected traffic59 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 J. W. Cummins RD over Sni-A-Bar CR built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1987.

What condition is J. W. Cummins RD over Sni-A-Bar CR 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 J. W. Cummins RD over Sni-A-Bar CR carry?

About 45 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is J. W. Cummins RD over Sni-A-Bar CR?

The structure is 48 ft (14.6 m) long with a longest span of 45 ft (13.7 m) and a deck 20 ft wide.

Who owns J. W. Cummins RD over Sni-A-Bar CR?

It is owned by the County Highway Agency.