US Bridges

Mo 37 S over Flat CR

Fair

Barry County, Missouri · S 22 T 22 N R 28 W · Structure no. 3688

Built
1987
38 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete Continuous
Length
40 ft
3 main spans
Daily traffic
6,222
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 37 S over Flat CR is a concrete continuous culvert carrying Mo 37 S over Flat CR in Barry County, Missouri. It was built in 1987, so it is 38 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 6,222 vehicles a day, roughly 10% of them trucks, projected to reach 10,889 by 2044. The structure is 40 ft (12.3 m) long. If it were closed, the detour would be 29.8 mi (48 km).

Location

Open in Google Maps
CarriesMo 37 S
CrossesFlat CR
LocationS 22 T 22 N R 28 W
RouteState Highway 37
CountyBarry County
StateMissouri
Coordinates36.6033, -93.94419
Functional classRural Principal Arterial - Other

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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating70.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length40 ft (12.3 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,222 (2024)
Projected traffic10,889 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Mo 37 S over Flat CR built?

It was built in 1987, making it 38 years old in 2025.

What condition is Mo 37 S over Flat 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 April 2024.

How much traffic does Mo 37 S over Flat CR carry?

About 6,222 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Mo 37 S over Flat CR?

The structure is 40 ft (12.3 m) long with a longest span of 13 ft (4 m).

Who owns Mo 37 S over Flat CR?

It is owned by the State Highway Agency.