US Bridges

County RD 50 over Coon CR

Good

Jasper County, Missouri · S 20 T 30 N R 29 W · Structure no. 14686

Built
1989
36 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
30
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 50 over Coon CR is a concrete culvert carrying County RD 50 over Coon CR in Jasper County, Missouri. It was built in 1989, so it is 36 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30 vehicles a day, roughly 10% of them trucks, projected to reach 45 by 2044. The structure is 24 ft (7.3 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCounty RD 50
CrossesCoon CR
LocationS 20 T 30 N R 29 W
RouteCounty Highway 73
CountyJasper County
StateMissouri
Coordinates37.33465, -94.13741
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span11 ft (3.4 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2024)
Projected traffic45 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 50 over Coon CR built?

It was built in 1989, making it 36 years old in 2025.

What condition is County RD 50 over Coon CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does County RD 50 over Coon CR carry?

About 30 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 50 over Coon CR?

The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.4 m) and a deck 30 ft wide.

Who owns County RD 50 over Coon CR?

It is owned by the County Highway Agency.