US Bridges

CO RD 553 over Relief Ditch

Fair

Leflore County, Mississippi · Sec 20 T17N R 1W B · Structure no. SA4200000000002

Built
1958
67 years old
Condition
Fair
inspected December 2024
Type
Channel Beam
Concrete
Length
152 ft
8 main spans
Daily traffic
30
2015 count
Owner
County
County Highway Agency

About this bridge

CO RD 553 over Relief Ditch is a concrete channel beam carrying CO RD 553 over Relief Ditch in Leflore County, Mississippi. It was built in 1958, so it is 67 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 30 vehicles a day, projected to reach 45 by 2035. The structure is 152 ft (46.3 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCO RD 553
CrossesRelief Ditch
LocationSec 20 T17N R 1W B
RouteCounty Highway 553
Coordinates33.32539, -90.32626
Functional classRural Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating38.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans8
Design loadH 15
Structure length152 ft (46.3 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 traffic30 (2015)
Projected traffic45 by 2035
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed6.2 mi (10 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$358,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CO RD 553 over Relief Ditch built?

It was built in 1958, making it 67 years old in 2025.

What condition is CO RD 553 over Relief Ditch 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 December 2024.

How much traffic does CO RD 553 over Relief Ditch carry?

About 30 vehicles per day (2015 count).

How long is CO RD 553 over Relief Ditch?

The structure is 152 ft (46.3 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns CO RD 553 over Relief Ditch?

It is owned by the County Highway Agency.