US Bridges

CO RD 511 over Catfish Bayou

Fair

Leflore County, Mississippi · Sec 19 T18N R 1E B · Structure no. SA4200000000012

Built
1997
28 years old
Condition
Fair
inspected December 2024
Type
Channel Beam
Concrete
Length
76 ft
4 main spans
Daily traffic
1,200
2015 count
Owner
County
County Highway Agency

About this bridge

CO RD 511 over Catfish Bayou is a concrete channel beam carrying CO RD 511 over Catfish Bayou in Leflore County, Mississippi. It was built in 1997, so it is 28 years old, younger 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 1,200 vehicles a day, roughly 8% of them trucks, projected to reach 1,800 by 2035. The structure is 76 ft (23.2 m) long and 28 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesCO RD 511
CrossesCatfish Bayou
LocationSec 19 T18N R 1E B
RouteCounty Highway 511
Coordinates33.40318, -90.24325
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98.5 US tons
Inventory rating59 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span19 ft (5.8 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2015)
Projected traffic1,800 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CO RD 511 over Catfish Bayou built?

It was built in 1997, making it 28 years old in 2025.

What condition is CO RD 511 over Catfish 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 December 2024.

How much traffic does CO RD 511 over Catfish Bayou carry?

About 1,200 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is CO RD 511 over Catfish Bayou?

The structure is 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns CO RD 511 over Catfish Bayou?

It is owned by the County Highway Agency.