US Bridges

Dockery-Ralph Ray over Natural Bayou

Poor

Sunflower County, Mississippi · Sec 20 T22N R 4W B · Structure no. SA6700000000129

Built
1970
55 years old
Condition
Poor
inspected February 2024
Type
Channel Beam
Concrete
Length
114 ft
6 main spans
Daily traffic
40
2024 count
Owner
County
County Highway Agency

About this bridge

Dockery-Ralph Ray over Natural Bayou is a concrete channel beam carrying Dockery-Ralph Ray over Natural Bayou in Sunflower County, Mississippi. It was built in 1970, so it is 55 years old, older than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 1 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: open, temporary structure in place while original is closed.

It carries about 40 vehicles a day, roughly 8% of them trucks, projected to reach 60 by 2044. The structure is 114 ft (34.7 m) long and 28 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesDockery-Ralph Ray
CrossesNatural Bayou
LocationSec 20 T22N R 4W B
RouteCounty Highway 327
Coordinates33.76622, -90.63364
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure1 Imminent FailureMajor deterioration or section loss present in critical structural components. Bridge is closed to traffic but corrective action may put it back in light service.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 12 months
Operating statusOpen, temporary structure in place while original is closed
ScourUnknown foundation; not evaluated for scour
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry6: Equal to present minimum criteria
Waterway adequacy2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans6
Design loadH 15
Structure length114 ft (34.7 m)
Longest span19 ft (5.8 m)
Deck width28 ft (8.6 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2024)
Projected traffic60 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed8.1 mi (13 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$550,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Dockery-Ralph Ray over Natural Bayou built?

It was built in 1970, making it 55 years old in 2025.

What condition is Dockery-Ralph Ray over Natural Bayou in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2024.

How much traffic does Dockery-Ralph Ray over Natural Bayou carry?

About 40 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Dockery-Ralph Ray over Natural Bayou?

The structure is 114 ft (34.7 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns Dockery-Ralph Ray over Natural Bayou?

It is owned by the County Highway Agency.