US Bridges

Academy Road over Dougherty Bayou

Fair

Sunflower County, Mississippi · Sec 20 T22N R 3W · Structure no. SA6700000000122

Built
2001
24 years old
Condition
Fair
inspected May 2024
Type
Channel Beam
Concrete
Length
131 ft
5 main spans
Daily traffic
450
2024 count
Owner
County
County Highway Agency

About this bridge

Academy Road over Dougherty Bayou is a concrete channel beam carrying Academy Road over Dougherty Bayou in Sunflower County, Mississippi. It was built in 2001, so it is 24 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 450 vehicles a day, roughly 8% of them trucks, projected to reach 675 by 2044. The structure is 131 ft (39.9 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesAcademy Road
CrossesDougherty Bayou
LocationSec 20 T22N R 3W
RouteCounty Highway 338
Coordinates33.76833, -90.53778
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 protection8 Very GoodNo problems noted.
Last inspectionMay 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.9 US tons
Inventory rating39.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length131 ft (39.9 m)
Longest span31 ft (9.4 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2024)
Projected traffic675 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Academy Road over Dougherty Bayou built?

It was built in 2001, making it 24 years old in 2025.

What condition is Academy Road over Dougherty 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 May 2024.

How much traffic does Academy Road over Dougherty Bayou carry?

About 450 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Academy Road over Dougherty Bayou?

The structure is 131 ft (39.9 m) long with a longest span of 31 ft (9.4 m) and a deck 31 ft wide.

Who owns Academy Road over Dougherty Bayou?

It is owned by the County Highway Agency.