US Bridges

Sunflower Road over Sunflower River

Fair

Sunflower County, Mississippi · Sec 6 T19N R 3W B · Structure no. SA6700000000051

Built
1965
60 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
300 ft
6 main spans
Daily traffic
280
2024 count
Owner
County
County Highway Agency

About this bridge

Sunflower Road over Sunflower River is a prestressed concrete stringer/multi-beam or girder carrying Sunflower Road over Sunflower River in Sunflower County, Mississippi. It was built in 1965, so it is 60 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 280 vehicles a day, roughly 8% of them trucks, projected to reach 420 by 2044. The structure is 300 ft (91.4 m) long and 29 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesSunflower Road
CrossesSunflower River
LocationSec 6 T19N R 3W B
RouteCounty Highway 666
CountySunflower County
StateMississippi
Coordinates33.54713, -90.54328
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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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 alignment6: Equal to present minimum criteria
Operating rating64.5 US tons
Inventory rating23.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length300 ft (91.4 m)
Longest span60 ft (18.3 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic280 (2024)
Projected traffic420 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.7 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sunflower Road over Sunflower River built?

It was built in 1965, making it 60 years old in 2025.

What condition is Sunflower Road over Sunflower River 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 September 2024.

How much traffic does Sunflower Road over Sunflower River carry?

About 280 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Sunflower Road over Sunflower River?

The structure is 300 ft (91.4 m) long with a longest span of 60 ft (18.3 m) and a deck 29 ft wide.

Who owns Sunflower Road over Sunflower River?

It is owned by the County Highway Agency.