US Bridges

Walkiah Bluff RD over Leslie Slough

Good

Pearl River County, Mississippi · Sec 28 T 5S R18W · Structure no. SA550000000A139

Built
2021
4 years old
Condition
Good
inspected August 2023
Type
Channel Beam
Concrete
Length
93 ft
3 main spans
Daily traffic
300
2023 count
Owner
County
County Highway Agency

About this bridge

Walkiah Bluff RD over Leslie Slough is a concrete channel beam carrying Walkiah Bluff RD over Leslie Slough in Pearl River County, Mississippi. It was built in 2021, so it is 4 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 300 vehicles a day, roughly 8% of them trucks, projected to reach 330 by 2045. The structure is 93 ft (28.3 m) long and 29 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesWalkiah Bluff RD
CrossesLeslie Slough
LocationSec 28 T 5S R18W
RouteCounty Highway 220
Coordinates30.57003, -89.78497
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating48.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length93 ft (28.3 m)
Longest span31 ft (9.4 m)
Deck width29 ft (8.7 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2023)
Projected traffic330 by 2045
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Walkiah Bluff RD over Leslie Slough built?

It was built in 2021, making it 4 years old in 2025.

What condition is Walkiah Bluff RD over Leslie Slough 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 August 2023.

How much traffic does Walkiah Bluff RD over Leslie Slough carry?

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

How long is Walkiah Bluff RD over Leslie Slough?

The structure is 93 ft (28.3 m) long with a longest span of 31 ft (9.4 m) and a deck 29 ft wide.

Who owns Walkiah Bluff RD over Leslie Slough?

It is owned by the County Highway Agency.