US Bridges

Linn Grove RD over Br Lit Sni-A-Bar C

Fair

Lafayette County, Missouri · S 32 T 50 N R 27 W · Structure no. 15137

Built
1974
51 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
37
2024 count
Owner
County
County Highway Agency

About this bridge

Linn Grove RD over Br Lit Sni-A-Bar C is a steel stringer/multi-beam or girder carrying Linn Grove RD over Br Lit Sni-A-Bar C in Lafayette County, Missouri. It was built in 1974, so it is 51 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 37 vehicles a day, roughly 10% of them trucks, projected to reach 48 by 2044. The structure is 50 ft (15.2 m) long and 20 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesLinn Grove RD
CrossesBr Lit Sni-A-Bar C
LocationS 32 T 50 N R 27 W
RouteCounty Highway 86
CountyLafayette County
StateMissouri
Coordinates39.08636, -93.9159
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 rating43.7 US tons
Inventory rating25.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length50 ft (15.2 m)
Longest span49 ft (14.9 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37 (2024)
Projected traffic48 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Linn Grove RD over Br Lit Sni-A-Bar C built?

It was built in 1974, making it 51 years old in 2025.

What condition is Linn Grove RD over Br Lit Sni-A-Bar C 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 Linn Grove RD over Br Lit Sni-A-Bar C carry?

About 37 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Linn Grove RD over Br Lit Sni-A-Bar C?

The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.9 m) and a deck 20 ft wide.

Who owns Linn Grove RD over Br Lit Sni-A-Bar C?

It is owned by the County Highway Agency.