US Bridges

Mo 164 E over Main Elk Chnl

Fair

Dunklin County, Missouri · S 28 T 17 N R 10 E · Structure no. 6197

Built
1949
76 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
107 ft
3 main spans
Daily traffic
2,076
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 164 E over Main Elk Chnl is a steel stringer/multi-beam or girder carrying Mo 164 E over Main Elk Chnl in Dunklin County, Missouri. It was built in 1949, so it is 76 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 2,076 vehicles a day, roughly 13% of them trucks, projected to reach 3,322 by 2044. The structure is 107 ft (32.6 m) long and 25 ft wide. If it were closed, the detour would be 28 mi (45 km).

Location

Open in Google Maps
CarriesMo 164 E
CrossesMain Elk Chnl
LocationS 28 T 17 N R 10 E
RouteState Highway 164
CountyDunklin County
StateMissouri
Coordinates36.08884, -89.98636
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
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 12 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.7 US tons
Inventory rating19.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length107 ft (32.6 m)
Longest span35 ft (10.7 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,076 (2024)
Projected traffic3,322 by 2044
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.3 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 164 E over Main Elk Chnl built?

It was built in 1949, making it 76 years old in 2025.

What condition is Mo 164 E over Main Elk Chnl 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 Mo 164 E over Main Elk Chnl carry?

About 2,076 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is Mo 164 E over Main Elk Chnl?

The structure is 107 ft (32.6 m) long with a longest span of 35 ft (10.7 m) and a deck 25 ft wide.

Who owns Mo 164 E over Main Elk Chnl?

It is owned by the State Highway Agency.