US Bridges

CO RD 526 over Dugan Bayou

Fair

Leflore County, Mississippi · SEC_14_T22N_R 2W B · Structure no. SA4200000000100

Built
1957
68 years old
Condition
Fair
inspected December 2023
Type
Channel Beam
Concrete
Length
95 ft
5 main spans
Daily traffic
60
2015 count
Owner
County
County Highway Agency

About this bridge

CO RD 526 over Dugan Bayou is a concrete channel beam carrying CO RD 526 over Dugan Bayou in Leflore County, Mississippi. It was built in 1957, so it is 68 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 5 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 60 vehicles a day, projected to reach 90 by 2035. The structure is 95 ft (29 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCO RD 526
CrossesDugan Bayou
LocationSEC_14_T22N_R 2W B
RouteCounty Highway 778
CountyLeflore County
StateMississippi
Coordinates33.76661, -90.37947
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65 US tons
Inventory rating38.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadH 15
Structure length95 ft (29 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 traffic60 (2015)
Projected traffic90 by 2035
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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$294,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CO RD 526 over Dugan Bayou built?

It was built in 1957, making it 68 years old in 2025.

What condition is CO RD 526 over Dugan 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 2023.

How much traffic does CO RD 526 over Dugan Bayou carry?

About 60 vehicles per day (2015 count).

How long is CO RD 526 over Dugan Bayou?

The structure is 95 ft (29 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns CO RD 526 over Dugan Bayou?

It is owned by the County Highway Agency.