US Bridges

County RD 70 over Trib to Coon CR

Fair

Jasper County, Missouri · S 24 T 30 N R 30 W · Structure no. 32707

Built
2006
19 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete Continuous
Length
25 ft
3 main spans
Daily traffic
30
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 70 over Trib to Coon CR is a concrete continuous culvert carrying County RD 70 over Trib to Coon CR in Jasper County, Missouri. It was built in 2006, so it is 19 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 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 30 vehicles a day, roughly 10% of them trucks, projected to reach 45 by 2044. The structure is 25 ft (7.7 m) long and 37 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty RD 70
CrossesTrib to Coon CR
LocationS 24 T 30 N R 30 W
RouteCounty Highway 68
Coordinates37.32386, -94.1744
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating81.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length25 ft (7.7 m)
Longest span8 ft (2.4 m)
Deck width37 ft (11.4 m)
Roadway width34 ft (10.4 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 closed1.9 mi (3 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 County RD 70 over Trib to Coon CR built?

It was built in 2006, making it 19 years old in 2025.

What condition is County RD 70 over Trib to Coon 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 December 2024.

How much traffic does County RD 70 over Trib to Coon CR carry?

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

How long is County RD 70 over Trib to Coon CR?

The structure is 25 ft (7.7 m) long with a longest span of 8 ft (2.4 m) and a deck 37 ft wide.

Who owns County RD 70 over Trib to Coon CR?

It is owned by the County Highway Agency.