US Bridges

Shephard Ave over Bear CR

Fair

Adair County, Missouri · S 16 T 62 N R 15 W · Structure no. 30852

Built
1978
47 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete Continuous
Length
48 ft
3 main spans
Daily traffic
600
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Shephard Ave over Bear CR is a concrete continuous culvert carrying Shephard Ave over Bear CR in Adair County, Missouri. It was built in 1978, so it is 47 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 600 vehicles a day, roughly 10% of them trucks, projected to reach 690 by 2044. The structure is 48 ft (14.6 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesShephard Ave
CrossesBear CR
LocationS 16 T 62 N R 15 W
RouteCity Street 0
CountyAdair County
StateMissouri
Coordinates40.16881, -92.57462
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadUnknown
Structure length48 ft (14.6 m)
Longest span15 ft (4.6 m)
Deck width53 ft (16.2 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2024)
Projected traffic690 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Shephard Ave over Bear CR built?

It was built in 1978, making it 47 years old in 2025.

What condition is Shephard Ave over Bear 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 February 2024.

How much traffic does Shephard Ave over Bear CR carry?

About 600 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Shephard Ave over Bear CR?

The structure is 48 ft (14.6 m) long with a longest span of 15 ft (4.6 m) and a deck 53 ft wide.

Who owns Shephard Ave over Bear CR?

It is owned by the City or Municipal Highway Agency.