US Bridges

Ponderosa Trail over Lit Sni-A-Bar CR

Fair

Lafayette County, Missouri · S 5 T 49 N R 27 W · Structure no. 15143

Built
1977
48 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
45
2024 count
Owner
County
County Highway Agency

About this bridge

Ponderosa Trail over Lit Sni-A-Bar CR is a steel stringer/multi-beam or girder carrying Ponderosa Trail over Lit 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 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 30 ft (9.1 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesPonderosa Trail
CrossesLit Sni-A-Bar CR
LocationS 5 T 49 N R 27 W
RouteCounty Highway 86
CountyLafayette County
StateMissouri
Coordinates39.08559, -93.90638
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 rating68.5 US tons
Inventory rating48.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 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 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 Ponderosa Trail over Lit Sni-A-Bar CR built?

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

What condition is Ponderosa Trail 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 Ponderosa Trail over Lit Sni-A-Bar CR carry?

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

How long is Ponderosa Trail over Lit Sni-A-Bar CR?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 20 ft wide.

Who owns Ponderosa Trail over Lit Sni-A-Bar CR?

It is owned by the County Highway Agency.