US Bridges

Sunflower Road over Shackleford Lake

Fair

Sunflower County, Mississippi · Sec 5 T19N R 4W B · Structure no. SA6700000000062

Built
1936
89 years old, rebuilt 2018
Condition
Fair
inspected November 2024
Type
Channel Beam
Concrete
Length
228 ft
12 main spans
Daily traffic
120
2024 count
Owner
County
County Highway Agency

About this bridge

Sunflower Road over Shackleford Lake is a concrete channel beam carrying Sunflower Road over Shackleford Lake in Sunflower County, Mississippi. It was built in 1936 and reconstructed in 2018, so it is 89 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 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 120 vehicles a day, roughly 8% of them trucks, projected to reach 180 by 2044. The structure is 228 ft (69.5 m) long and 25 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesSunflower Road
CrossesShackleford Lake
LocationSec 5 T19N R 4W B
RouteCounty Highway 666
Coordinates33.52753, -90.63077
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating29.2 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans12
Design loadH 15
Structure length228 ft (69.5 m)
Longest span19 ft (5.8 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2024)
Projected traffic180 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1.8 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sunflower Road over Shackleford Lake built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 2018.

What condition is Sunflower Road over Shackleford Lake 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 Sunflower Road over Shackleford Lake carry?

About 120 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Sunflower Road over Shackleford Lake?

The structure is 228 ft (69.5 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns Sunflower Road over Shackleford Lake?

It is owned by the County Highway Agency.