US Bridges

Farm RD 2170 over Br of Mikes CR

PoorPosted for load

Barry County, Missouri · S 26 T 23 N R 29 W · Structure no. 25195

Built
1935
90 years old
Condition
Poor
inspected February 2024
Type
Slab
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

Farm RD 2170 over Br of Mikes CR is a concrete continuous slab carrying Farm RD 2170 over Br of Mikes CR in Barry County, Missouri. It was built in 1935, so it is 90 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 4 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: posted for load restriction.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 170 by 2044. The structure is 26 ft (7.9 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFarm RD 2170
CrossesBr of Mikes CR
LocationS 26 T 23 N R 29 W
RouteCounty Highway 666
Coordinates36.68754, -94.03407
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating28.8 US tons
Inventory rating14.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 10
Structure length26 ft (7.9 m)
Longest span13 ft (4 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic170 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$255,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Farm RD 2170 over Br of Mikes CR built?

It was built in 1935, making it 90 years old in 2025.

What condition is Farm RD 2170 over Br of Mikes 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 2024.

How much traffic does Farm RD 2170 over Br of Mikes CR carry?

About 100 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Farm RD 2170 over Br of Mikes CR?

The structure is 26 ft (7.9 m) long with a longest span of 13 ft (4 m) and a deck 26 ft wide.

Who owns Farm RD 2170 over Br of Mikes CR?

It is owned by the County Highway Agency.