US Bridges

Dodd Road over Natural Slough

Poor

Sunflower County, Mississippi · Sec 35 T20N R 3W B · Structure no. SA6700000000081

Built
1953
72 years old
Condition
Poor
inspected December 2024
Type
Channel Beam
Concrete
Length
38 ft
2 main spans
Daily traffic
40
2024 count
Owner
County
County Highway Agency

About this bridge

Dodd Road over Natural Slough is a concrete channel beam carrying Dodd Road over Natural Slough in Sunflower County, Mississippi. It was built in 1953, so it is 72 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 2 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 38 ft (11.6 m) long and 25 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesDodd Road
CrossesNatural Slough
LocationSec 35 T20N R 3W B
RouteCounty Highway 246
Coordinates33.55883, -90.47008
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.
Substructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusOpen, temporary structure in place while original is closed
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadH 15
Structure length38 ft (11.6 m)
Longest span19 ft (5.8 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (7.1 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
CrossesWaterway
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$51,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Dodd Road over Natural Slough built?

It was built in 1953, making it 72 years old in 2025.

What condition is Dodd Road over Natural Slough 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 December 2024.

How much traffic does Dodd Road over Natural Slough carry?

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

How long is Dodd Road over Natural Slough?

The structure is 38 ft (11.6 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns Dodd Road over Natural Slough?

It is owned by the County Highway Agency.