US Bridges

US 61 S over Main Dtch

Fair

New Madrid County, Missouri · S 30 T 21 N R 13 E · Structure no. 1008

Built
1964
61 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete Continuous
Length
84 ft
3 main spans
Daily traffic
2,508
2024 count
Owner
State
State Highway Agency

About this bridge

US 61 S over Main Dtch is a concrete continuous slab carrying US 61 S over Main Dtch in New Madrid County, Missouri. It was built in 1964, so it is 61 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 5 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 2,508 vehicles a day, roughly 15% of them trucks, projected to reach 3,887 by 2044. The structure is 84 ft (25.6 m) long and 37 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesUS 61 S
CrossesMain Dtch
LocationS 30 T 21 N R 13 E
RouteU.S. Route 61
CountyNew Madrid County
StateMissouri
Coordinates36.42511, -89.69617
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.7 US tons
Inventory rating29.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length84 ft (25.6 m)
Longest span28 ft (8.6 m)
Deck width37 ft (11.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,508 (2024)
Projected traffic3,887 by 2044
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 S over Main Dtch built?

It was built in 1964, making it 61 years old in 2025.

What condition is US 61 S over Main Dtch 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 US 61 S over Main Dtch carry?

About 2,508 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is US 61 S over Main Dtch?

The structure is 84 ft (25.6 m) long with a longest span of 28 ft (8.6 m) and a deck 37 ft wide.

Who owns US 61 S over Main Dtch?

It is owned by the State Highway Agency.