US Bridges

Cumberland RD over Sni-A-Bar CR

Good

Lafayette County, Missouri · S 23 T 48 N R 29 W · Structure no. 24228

Built
1990
35 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
56 ft
1 main span
Daily traffic
50
2024 count
Owner
County
County Highway Agency

About this bridge

Cumberland RD over Sni-A-Bar CR is a steel stringer/multi-beam or girder carrying Cumberland RD over Sni-A-Bar CR in Lafayette County, Missouri. It was built in 1990, so it is 35 years old, younger 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 7 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 10% of them trucks, projected to reach 65 by 2044. The structure is 56 ft (17.1 m) long and 21 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCumberland RD
CrossesSni-A-Bar CR
LocationS 23 T 48 N R 29 W
RouteCounty Highway 466
Coordinates38.94578, -94.08966
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 alignment6: Equal to present minimum criteria
Operating rating68.5 US tons
Inventory rating49.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length56 ft (17.1 m)
Longest span53 ft (16.2 m)
Deck width21 ft (6.4 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic65 by 2044
Trucks10%
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 Cumberland RD over Sni-A-Bar CR built?

It was built in 1990, making it 35 years old in 2025.

What condition is Cumberland RD over Sni-A-Bar CR 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 Cumberland RD over Sni-A-Bar CR carry?

About 50 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Cumberland RD over Sni-A-Bar CR?

The structure is 56 ft (17.1 m) long with a longest span of 53 ft (16.2 m) and a deck 21 ft wide.

Who owns Cumberland RD over Sni-A-Bar CR?

It is owned by the County Highway Agency.