US Bridges

Black Bayou RD over Ditch No 2

Good

Washington County, Mississippi · Sec 29 T18N R 7W · Structure no. SA7600000000237

Built
2004
21 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
140
2023 count
Owner
County
County Highway Agency

About this bridge

Black Bayou RD over Ditch No 2 is a concrete culvert carrying Black Bayou RD over Ditch No 2 in Washington County, Mississippi. It was built in 2004, so it is 21 years old, younger than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 140 vehicles a day, roughly 8% of them trucks, projected to reach 196 by 2043. The structure is 28 ft (8.4 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesBlack Bayou RD
CrossesDitch No 2
LocationSec 29 T18N R 7W
RouteCounty Highway 853
Coordinates33.37671, -90.93894
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection9 ExcellentNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.9 US tons
Inventory rating41.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length28 ft (8.4 m)
Longest span14 ft (4.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2023)
Projected traffic196 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$709,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Black Bayou RD over Ditch No 2 built?

It was built in 2004, making it 21 years old in 2025.

What condition is Black Bayou RD over Ditch No 2 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does Black Bayou RD over Ditch No 2 carry?

About 140 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Black Bayou RD over Ditch No 2?

The structure is 28 ft (8.4 m) long with a longest span of 14 ft (4.2 m).

Who owns Black Bayou RD over Ditch No 2?

It is owned by the County Highway Agency.