US Bridges

County RD 268 over Ditch No 6

Good

New Madrid County, Missouri · S 16 T 21 N R 11 E · Structure no. 31914

Built
2007
18 years old
Condition
Good
inspected December 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
92 ft
3 main spans
Daily traffic
100
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 268 over Ditch No 6 is a prestressed concrete continuous box beam or girders - multiple carrying County RD 268 over Ditch No 6 in New Madrid County, Missouri. It was built in 2007, so it is 18 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 70% of them trucks, projected to reach 135 by 2043. The structure is 92 ft (28 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCounty RD 268
CrossesDitch No 6
LocationS 16 T 21 N R 11 E
RouteCounty Highway 321
Coordinates36.45144, -89.8657
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 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 geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating37.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length92 ft (28 m)
Longest span40 ft (12.2 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic135 by 2043
Trucks70%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 268 over Ditch No 6 built?

It was built in 2007, making it 18 years old in 2025.

What condition is County RD 268 over Ditch No 6 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 268 over Ditch No 6 carry?

About 100 vehicles per day (2023 count), of which roughly 70% are trucks.

How long is County RD 268 over Ditch No 6?

The structure is 92 ft (28 m) long with a longest span of 40 ft (12.2 m) and a deck 24 ft wide.

Who owns County RD 268 over Ditch No 6?

It is owned by the County Highway Agency.