US Bridges

Farm RD 1215 over Flat CR

PoorClosed to traffic

Barry County, Missouri · S 24 T 24 N R 26 W · Structure no. 21565

Built
1910
115 years old
Condition
Poor
inspected February 2018
Type
Truss - Thru
Steel
Length
143 ft
1 main span
Daily traffic
50
2024 count
Owner
County
County Highway Agency

About this bridge

Farm RD 1215 over Flat CR is a steel truss - thru carrying Farm RD 1215 over Flat CR in Barry County, Missouri. It was built in 1910, so it is 115 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 2 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 85 by 2044. The structure is 143 ft (43.6 m) long and 12 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFarm RD 1215
CrossesFlat CR
LocationS 24 T 24 N R 26 W
RouteCounty Highway 312
Coordinates36.77631, -93.68634
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2018
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour above top of footing
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry0: Immediate repair necessary to put back in service
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1 (+3 approach)
Design loadOther
Structure length143 ft (43.6 m)
Longest span96 ft (29.3 m)
Deck width12 ft (3.7 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deck13 ft (4 m)

Traffic and service

Average daily traffic50 (2024)
Projected traffic85 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$965,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Farm RD 1215 over Flat CR built?

It was built in 1910, making it 115 years old in 2025.

What condition is Farm RD 1215 over Flat CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2018.

How much traffic does Farm RD 1215 over Flat CR carry?

About 50 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Farm RD 1215 over Flat CR?

The structure is 143 ft (43.6 m) long with a longest span of 96 ft (29.3 m) and a deck 12 ft wide.

Who owns Farm RD 1215 over Flat CR?

It is owned by the County Highway Agency.