US Bridges

Geneille Road over Johnson Slough

Good

Washington County, Mississippi · Sec 26 T18N R 6W · Structure no. SA760000000A220

Built
2018
7 years old
Condition
Good
inspected March 2024
Type
Channel Beam
Concrete
Length
123 ft
4 main spans
Daily traffic
50
2024 count
Owner
County
County Highway Agency

About this bridge

Geneille Road over Johnson Slough is a concrete channel beam carrying Geneille Road over Johnson Slough in Washington County, Mississippi. It was built in 2018, so it is 7 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 50 vehicles a day, roughly 8% of them trucks, projected to reach 70 by 2044. The structure is 123 ft (37.6 m) long and 33 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesGeneille Road
CrossesJohnson Slough
LocationSec 26 T18N R 6W
RouteCounty Highway 830
Coordinates33.38704, -90.78875
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable 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 spans4
Design loadHL 93
Structure length123 ft (37.6 m)
Longest span31 ft (9.4 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic70 by 2044
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Geneille Road over Johnson Slough built?

It was built in 2018, making it 7 years old in 2025.

What condition is Geneille Road over Johnson 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 March 2024.

How much traffic does Geneille Road over Johnson Slough carry?

About 50 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Geneille Road over Johnson Slough?

The structure is 123 ft (37.6 m) long with a longest span of 31 ft (9.4 m) and a deck 33 ft wide.

Who owns Geneille Road over Johnson Slough?

It is owned by the County Highway Agency.