US Bridges

US 61 N over Main Dtch No 6

Fair

Pemiscot County, Missouri · S 24 T 17 N R 11 E · Structure no. 4650

Built
1923
102 years old, rebuilt 1992
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
125 ft
3 main spans
Daily traffic
1,773
2024 count
Owner
State
State Highway Agency

About this bridge

US 61 N over Main Dtch No 6 is a steel stringer/multi-beam or girder carrying US 61 N over Main Dtch No 6 in Pemiscot County, Missouri. It was built in 1923 and reconstructed in 1992, so it is 102 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 1,773 vehicles a day, roughly 4% of them trucks, projected to reach 3,014 by 2044. The structure is 125 ft (38.1 m) long and 37 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesUS 61 N
CrossesMain Dtch No 6
LocationS 24 T 17 N R 11 E
RouteU.S. Route 61
CountyPemiscot County
StateMissouri
Coordinates36.08827, -89.82124
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.6 US tons
Inventory rating31.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length125 ft (38.1 m)
Longest span43 ft (13 m)
Deck width37 ft (11.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,773 (2024)
Projected traffic3,014 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

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 US 61 N over Main Dtch No 6 built?

It was built in 1923, making it 102 years old in 2025. It was reconstructed in 1992.

What condition is US 61 N 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 November 2024.

How much traffic does US 61 N over Main Dtch No 6 carry?

About 1,773 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is US 61 N over Main Dtch No 6?

The structure is 125 ft (38.1 m) long with a longest span of 43 ft (13 m) and a deck 37 ft wide.

Who owns US 61 N over Main Dtch No 6?

It is owned by the State Highway Agency.