US Bridges

Mo 164 E over Drain Dtch No 79

Fair

Dunklin County, Missouri · S 23 T 17 N R 9 E · Structure no. 6192

Built
1949
76 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
95 ft
3 main spans
Daily traffic
1,765
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 164 E over Drain Dtch No 79 is a steel stringer/multi-beam or girder carrying Mo 164 E over Drain Dtch No 79 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 1,765 vehicles a day, roughly 13% of them trucks, projected to reach 2,824 by 2044. The structure is 95 ft (29 m) long and 25 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesMo 164 E
CrossesDrain Dtch No 79
LocationS 23 T 17 N R 9 E
RouteState Highway 164
CountyDunklin County
StateMissouri
Coordinates36.08941, -90.05191
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.7 US tons
Inventory rating23.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length95 ft (29 m)
Longest span39 ft (11.9 m)
Deck width25 ft (7.6 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,765 (2024)
Projected traffic2,824 by 2044
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$816,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 164 E over Drain Dtch No 79 built?

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

What condition is Mo 164 E over Drain Dtch No 79 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 Drain Dtch No 79 carry?

About 1,765 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is Mo 164 E over Drain Dtch No 79?

The structure is 95 ft (29 m) long with a longest span of 39 ft (11.9 m) and a deck 25 ft wide.

Who owns Mo 164 E over Drain Dtch No 79?

It is owned by the State Highway Agency.