US Bridges

Johnson DR over Lit Sni-A-Bar CR

Fair

Lafayette County, Missouri · S 19 T 49 N R 27 W · Structure no. 34385

Built
2012
13 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
70 ft
1 main span
Daily traffic
120
2024 count
Owner
County
County Highway Agency

About this bridge

Johnson DR over Lit Sni-A-Bar CR is a steel stringer/multi-beam or girder carrying Johnson DR over Lit Sni-A-Bar CR in Lafayette County, Missouri. It was built in 2012, so it is 13 years old, younger 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 120 vehicles a day, roughly 10% of them trucks, projected to reach 156 by 2044. The structure is 70 ft (21.2 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesJohnson DR
CrossesLit Sni-A-Bar CR
LocationS 19 T 49 N R 27 W
RouteCounty Highway 96
CountyLafayette County
StateMissouri
Coordinates39.04, -93.94
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 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 alignment6: Equal to present minimum criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length70 ft (21.2 m)
Longest span67 ft (20.4 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2024)
Projected traffic156 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Johnson DR over Lit Sni-A-Bar CR built?

It was built in 2012, making it 13 years old in 2025.

What condition is Johnson DR over Lit 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 Johnson DR over Lit Sni-A-Bar CR carry?

About 120 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Johnson DR over Lit Sni-A-Bar CR?

The structure is 70 ft (21.2 m) long with a longest span of 67 ft (20.4 m) and a deck 24 ft wide.

Who owns Johnson DR over Lit Sni-A-Bar CR?

It is owned by the County Highway Agency.