US Bridges

Farm RD 1200 over Rockhouse CR

Fair

Barry County, Missouri · S 22 T 23 N R 26 W · Structure no. 33078

Built
2009
16 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
20
2024 count
Owner
County
County Highway Agency

About this bridge

Farm RD 1200 over Rockhouse CR is a steel stringer/multi-beam or girder carrying Farm RD 1200 over Rockhouse CR in Barry County, Missouri. It was built in 2009, so it is 16 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 5 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 20 vehicles a day, roughly 10% of them trucks, projected to reach 34 by 2044. The structure is 25 ft (7.6 m) long and 25 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesFarm RD 1200
CrossesRockhouse CR
LocationS 22 T 23 N R 26 W
RouteCounty Highway 636
CountyBarry County
StateMissouri
Coordinates36.69222, -93.72111
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating110.1 US tons
Inventory rating73.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2024)
Projected traffic34 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Farm RD 1200 over Rockhouse CR built?

It was built in 2009, making it 16 years old in 2025.

What condition is Farm RD 1200 over Rockhouse 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 Farm RD 1200 over Rockhouse CR carry?

About 20 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Farm RD 1200 over Rockhouse CR?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 25 ft wide.

Who owns Farm RD 1200 over Rockhouse CR?

It is owned by the County Highway Agency.