US Bridges

County RD 387 over Old Chnl Grand Rvr

Fair

Livingston County, Missouri · S 13 T 56 N R 22 W · Structure no. 23990

Built
1950
75 years old, rebuilt 2012
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
21 ft
1 main span
Daily traffic
5
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 387 over Old Chnl Grand Rvr is a steel stringer/multi-beam or girder carrying County RD 387 over Old Chnl Grand Rvr in Livingston County, Missouri. It was built in 1950 and reconstructed in 2012, so it is 75 years old, older 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 5 vehicles a day, roughly 10% of them trucks, projected to reach 6 by 2044. The structure is 21 ft (6.4 m) long and 15 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesCounty RD 387
CrossesOld Chnl Grand Rvr
LocationS 13 T 56 N R 22 W
RouteCounty Highway 449
CountyLivingston County
StateMissouri
Coordinates39.67296, -93.30766
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
Deck9 ExcellentNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating50.6 US tons
Inventory rating29.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length21 ft (6.4 m)
Longest span20 ft (6 m)
Deck width15 ft (4.6 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2024)
Projected traffic6 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 387 over Old Chnl Grand Rvr built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 2012.

What condition is County RD 387 over Old Chnl Grand Rvr 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 387 over Old Chnl Grand Rvr carry?

About 5 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 387 over Old Chnl Grand Rvr?

The structure is 21 ft (6.4 m) long with a longest span of 20 ft (6 m) and a deck 15 ft wide.

Who owns County RD 387 over Old Chnl Grand Rvr?

It is owned by the County Highway Agency.