US Bridges

Old 61 Highway over Lake Cormorant Bayou

Fair

DeSoto County, Mississippi · Sec 1 T 2S R10W B · Structure no. SA1700000000048

Built
1989
36 years old
Condition
Fair
inspected February 2023
Type
Channel Beam
Concrete
Length
93 ft
3 main spans
Daily traffic
380
2023 count
Owner
County
County Highway Agency

About this bridge

Old 61 Highway over Lake Cormorant Bayou is a concrete channel beam carrying Old 61 Highway over Lake Cormorant Bayou in DeSoto County, Mississippi. It was built in 1989, so it is 36 years old, younger 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 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 380 vehicles a day, roughly 8% of them trucks, projected to reach 570 by 2043. The structure is 93 ft (28.3 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesOld 61 Highway
CrossesLake Cormorant Bayou
LocationSec 1 T 2S R10W B
RouteCounty Highway 1011
Coordinates34.94822, -90.2099
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.6 US tons
Inventory rating41.8 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length93 ft (28.3 m)
Longest span31 ft (9.4 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic380 (2023)
Projected traffic570 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Old 61 Highway over Lake Cormorant Bayou built?

It was built in 1989, making it 36 years old in 2025.

What condition is Old 61 Highway 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 February 2023.

How much traffic does Old 61 Highway over Lake Cormorant Bayou carry?

About 380 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Old 61 Highway over Lake Cormorant Bayou?

The structure is 93 ft (28.3 m) long with a longest span of 31 ft (9.4 m) and a deck 31 ft wide.

Who owns Old 61 Highway over Lake Cormorant Bayou?

It is owned by the County Highway Agency.