US Bridges

Mo 164 E over Cypress Drain Dtch

Fair

Dunklin County, Missouri · S 4 T 16 N R 8 E · Structure no. 5312

Built
1929
96 years old
Condition
Fair
inspected November 2024
Type
Tee Beam
Concrete
Length
98 ft
3 main spans
Daily traffic
737
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 164 E over Cypress Drain Dtch is a concrete tee beam carrying Mo 164 E over Cypress Drain Dtch in Dunklin County, Missouri. It was built in 1929, so it is 96 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 737 vehicles a day, roughly 21% of them trucks, projected to reach 1,179 by 2044. The structure is 98 ft (29.9 m) long and 23 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

CarriesMo 164 E
CrossesCypress Drain Dtch
LocationS 4 T 16 N R 8 E
RouteState Highway 164
Coordinates36.04645, -90.20823
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 protection6 SatisfactoryStructural elements show some minor deterioration.
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 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 rating53.6 US tons
Inventory rating31.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length98 ft (29.9 m)
Longest span32 ft (9.9 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic737 (2024)
Projected traffic1,179 by 2044
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 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$757,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 164 E over Cypress Drain Dtch built?

It was built in 1929, making it 96 years old in 2025.

What condition is Mo 164 E over Cypress Drain 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 November 2024.

How much traffic does Mo 164 E over Cypress Drain Dtch carry?

About 737 vehicles per day (2024 count), of which roughly 21% are trucks.

How long is Mo 164 E over Cypress Drain Dtch?

The structure is 98 ft (29.9 m) long with a longest span of 32 ft (9.9 m) and a deck 23 ft wide.

Who owns Mo 164 E over Cypress Drain Dtch?

It is owned by the State Highway Agency.