US Bridges

Sunflower River RD over Jaynes Bayou

FairPosted for load

Sharkey County, Mississippi · Sec 11 T13N R 6W B · Structure no. SA6300000000038

Built
1972
53 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
191 ft
5 main spans
Daily traffic
120
2021 count
Owner
County
County Highway Agency

About this bridge

Sunflower River RD over Jaynes Bayou is a prestressed concrete stringer/multi-beam or girder carrying Sunflower River RD over Jaynes Bayou in Sharkey County, Mississippi. It was built in 1972, so it is 53 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. Its operating status is: posted for load restriction.

It carries about 120 vehicles a day, roughly 15% of them trucks, projected to reach 180 by 2041. The structure is 191 ft (58.2 m) long and 29 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

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CarriesSunflower River RD
CrossesJaynes Bayou
LocationSec 11 T13N R 6W B
RouteCounty Highway 1505
CountySharkey County
StateMississippi
Coordinates32.98369, -90.78199
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 15
Structure length191 ft (58.2 m)
Longest span40 ft (12.2 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2021)
Projected traffic180 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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$1.4 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sunflower River RD over Jaynes Bayou built?

It was built in 1972, making it 53 years old in 2025.

What condition is Sunflower River RD over Jaynes 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 2023.

How much traffic does Sunflower River RD over Jaynes Bayou carry?

About 120 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is Sunflower River RD over Jaynes Bayou?

The structure is 191 ft (58.2 m) long with a longest span of 40 ft (12.2 m) and a deck 29 ft wide.

Who owns Sunflower River RD over Jaynes Bayou?

It is owned by the County Highway Agency.