US Bridges

Sni-A-Bar RD over Sni-A-Bar CR

Fair

Lafayette County, Missouri · S 36 T 50 N R 29 W · Structure no. 12968

Built
1977
48 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
100 ft
1 main span
Daily traffic
40
2024 count
Owner
County
County Highway Agency

About this bridge

Sni-A-Bar RD over Sni-A-Bar CR is a steel continuous stringer/multi-beam or girder carrying Sni-A-Bar RD over Sni-A-Bar CR in Lafayette County, Missouri. It was built in 1977, so it is 48 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 40 vehicles a day, roughly 10% of them trucks, projected to reach 52 by 2044. The structure is 100 ft (30.5 m) long and 20 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSni-A-Bar RD
CrossesSni-A-Bar CR
LocationS 36 T 50 N R 29 W
RouteCounty Highway 25
CountyLafayette County
StateMissouri
Coordinates39.09363, -94.05134
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.
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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating20.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadOther
Structure length100 ft (30.5 m)
Longest span59 ft (18 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2024)
Projected traffic52 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 Sni-A-Bar RD over Sni-A-Bar CR built?

It was built in 1977, making it 48 years old in 2025.

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

About 40 vehicles per day (2024 count), of which roughly 10% are trucks.

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

The structure is 100 ft (30.5 m) long with a longest span of 59 ft (18 m) and a deck 20 ft wide.

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

It is owned by the County Highway Agency.