US Bridges

Arkabutla Dam RD over Lake Cormorant Bayou

Fair

Tunica County, Mississippi · Sec 36 T 3S R10W B · Structure no. SA7200000000006

Built
1974
51 years old
Condition
Fair
inspected January 2023
Type
Channel Beam
Concrete
Length
57 ft
3 main spans
Daily traffic
270
2023 count
Owner
County
County Highway Agency

About this bridge

Arkabutla Dam RD over Lake Cormorant Bayou is a concrete channel beam carrying Arkabutla Dam RD over Lake Cormorant Bayou in Tunica County, Mississippi. It was built in 1974, so it is 51 years old, older than the Mississippi average of 38.9 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 270 vehicles a day, roughly 10% of them trucks, projected to reach 425 by 2043. The structure is 57 ft (17.4 m) long and 30 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

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CarriesArkabutla Dam RD
CrossesLake Cormorant Bayou
LocationSec 36 T 3S R10W B
RouteCounty Highway 1964
CountyTunica County
StateMississippi
Coordinates34.77215, -90.21646
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
Deck7 GoodSome minor problems.
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 inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating64.8 US tons
Inventory rating38.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width30 ft (9.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic270 (2023)
Projected traffic425 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$150,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Arkabutla Dam RD over Lake Cormorant Bayou built?

It was built in 1974, making it 51 years old in 2025.

What condition is Arkabutla Dam RD over Lake Cormorant Bayou 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 January 2023.

How much traffic does Arkabutla Dam RD over Lake Cormorant Bayou carry?

About 270 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Arkabutla Dam RD over Lake Cormorant Bayou?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 30 ft wide.

Who owns Arkabutla Dam RD over Lake Cormorant Bayou?

It is owned by the County Highway Agency.