US Bridges

Is 55 S over Main Dtch No 6

Fair

Pemiscot County, Missouri · S 35 T 19 N R 12 E · Structure no. 1212

Built
1969
56 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete Continuous
Length
50 ft
3 main spans
Daily traffic
19,915
2024 count
Owner
State
State Highway Agency

About this bridge

Is 55 S over Main Dtch No 6 is a concrete continuous culvert carrying Is 55 S over Main Dtch No 6 in Pemiscot County, Missouri. It was built in 1969, so it is 56 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 19,915 vehicles a day, roughly 16% of them trucks, projected to reach 36,843 by 2044. The structure is 50 ft (15.1 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIs 55 S
CrossesMain Dtch No 6
LocationS 35 T 19 N R 12 E
RouteInterstate 55
Coordinates36.23631, -89.73057
Functional classRural Principal Arterial - Interstate

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.4 US tons
Inventory rating45.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length50 ft (15.1 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 traffic19,915 (2024)
Projected traffic36,843 by 2044
Trucks16%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Is 55 S over Main Dtch No 6 built?

It was built in 1969, making it 56 years old in 2025.

What condition is Is 55 S over Main Dtch No 6 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 March 2023.

How much traffic does Is 55 S over Main Dtch No 6 carry?

About 19,915 vehicles per day (2024 count), of which roughly 16% are trucks.

How long is Is 55 S over Main Dtch No 6?

The structure is 50 ft (15.1 m) long with a longest span of 12 ft (3.7 m).

Who owns Is 55 S over Main Dtch No 6?

It is owned by the State Highway Agency.