US Bridges

County RD 706 over Main Dtch No 10

Good

New Madrid County, Missouri · S 5 T 24 N R 15 E · Structure no. 29484

Built
2002
23 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete Continuous
Length
37 ft
3 main spans
Daily traffic
100
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 706 over Main Dtch No 10 is a concrete continuous culvert carrying County RD 706 over Main Dtch No 10 in New Madrid County, Missouri. It was built in 2002, so it is 23 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 135 by 2043. The structure is 37 ft (11.4 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCounty RD 706
CrossesMain Dtch No 10
LocationS 5 T 24 N R 15 E
RouteCounty Highway 64
Coordinates36.76, -89.45472
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
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.3 US tons
Inventory rating50.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length37 ft (11.4 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic135 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 706 over Main Dtch No 10 built?

It was built in 2002, making it 23 years old in 2025.

What condition is County RD 706 over Main Dtch No 10 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 706 over Main Dtch No 10 carry?

About 100 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 706 over Main Dtch No 10?

The structure is 37 ft (11.4 m) long with a longest span of 12 ft (3.7 m).

Who owns County RD 706 over Main Dtch No 10?

It is owned by the County Highway Agency.