US Bridges

County RD 361 over Johnson CR

FairPosted for load

Livingston County, Missouri · S 1 T 56 N R 23 W · Structure no. 23246

Built
1982
43 years old, rebuilt 1987
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
64 ft
2 main spans
Daily traffic
20
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 361 over Johnson CR is a steel stringer/multi-beam or girder carrying County RD 361 over Johnson CR in Livingston County, Missouri. It was built in 1982 and reconstructed in 1987, so it is 43 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. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, roughly 10% of them trucks, projected to reach 22 by 2044. The structure is 64 ft (19.5 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCounty RD 361
CrossesJohnson CR
LocationS 1 T 56 N R 23 W
RouteCounty Highway 398
Coordinates39.6916, -93.44245
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusPosted for load 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating29.8 US tons
Inventory rating17.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length64 ft (19.5 m)
Longest span38 ft (11.6 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2024)
Projected traffic22 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 361 over Johnson CR built?

It was built in 1982, making it 43 years old in 2025. It was reconstructed in 1987.

What condition is County RD 361 over Johnson 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 January 2025.

How much traffic does County RD 361 over Johnson CR carry?

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

How long is County RD 361 over Johnson CR?

The structure is 64 ft (19.5 m) long with a longest span of 38 ft (11.6 m) and a deck 20 ft wide.

Who owns County RD 361 over Johnson CR?

It is owned by the County Highway Agency.