US Bridges

CO RD 511 over Yazoo River

FairPosted for load

Leflore County, Mississippi · Sec 26 T18N R 1W B · Structure no. SA4200000000015

Built
1965
60 years old
Condition
Fair
inspected January 2024
Type
Truss - Thru
Steel
Length
668 ft
3 main spans
Daily traffic
1,200
2013 count
Owner
County
County Highway Agency

About this bridge

CO RD 511 over Yazoo River is a steel truss - thru carrying CO RD 511 over Yazoo River in Leflore 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. Its operating status is: posted for load restriction.

It carries about 1,200 vehicles a day, roughly 8% of them trucks, projected to reach 1,800 by 2033. The structure is 668 ft (203.5 m) long and 33 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

Location

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CarriesCO RD 511
CrossesYazoo River
LocationSec 26 T18N R 1W B
RouteCounty Highway 701
CountyLeflore County
StateMississippi
Coordinates33.39716, -90.27199
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24.7 US tons
Inventory rating14.7 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans3 (+7 approach)
Design loadHS 20
Structure length668 ft (203.5 m)
Longest span174 ft (52.9 m)
Deck width33 ft (10 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck13 ft (4 m)

Traffic and service

Average daily traffic1,200 (2013)
Projected traffic1,800 by 2033
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 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$2.3 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was CO RD 511 over Yazoo River built?

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

What condition is CO RD 511 over Yazoo 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 January 2024.

How much traffic does CO RD 511 over Yazoo River carry?

About 1,200 vehicles per day (2013 count), of which roughly 8% are trucks.

How long is CO RD 511 over Yazoo River?

The structure is 668 ft (203.5 m) long with a longest span of 174 ft (52.9 m) and a deck 33 ft wide.

Who owns CO RD 511 over Yazoo River?

It is owned by the County Highway Agency.