US Bridges

D O Baker Road over Six Mile Bayou

Fair

Washington County, Mississippi · Sec 10 T18N R 6W · Structure no. SA7600000000215

Built
1950
75 years old, rebuilt 2011
Condition
Fair
inspected October 2023
Type
Channel Beam
Concrete
Length
76 ft
4 main spans
Daily traffic
300
2023 count
Owner
County
County Highway Agency

About this bridge

D O Baker Road over Six Mile Bayou is a concrete channel beam carrying D O Baker Road over Six Mile Bayou in Washington County, Mississippi. It was built in 1950 and reconstructed in 2011, so it is 75 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 300 vehicles a day, roughly 8% of them trucks, projected to reach 420 by 2043. The structure is 76 ft (23.2 m) long and 25 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

Location

Open in Google Maps
CarriesD O Baker Road
CrossesSix Mile Bayou
LocationSec 10 T18N R 6W
RouteCounty Highway 826
CountyWashington County
StateMississippi
Coordinates33.41639, -90.80745
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.
Substructure7 GoodSome minor problems.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
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 rating64.3 US tons
Inventory rating38.6 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHS 15
Structure length76 ft (23.2 m)
Longest span19 ft (5.8 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2023)
Projected traffic420 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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$926,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was D O Baker Road over Six Mile Bayou built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 2011.

What condition is D O Baker Road over Six Mile 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 October 2023.

How much traffic does D O Baker Road over Six Mile Bayou carry?

About 300 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is D O Baker Road over Six Mile Bayou?

The structure is 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns D O Baker Road over Six Mile Bayou?

It is owned by the County Highway Agency.