US Bridges

Lombardy Road over Black Bayou

Good

Sunflower County, Mississippi · Sec 9 T24N R 4W B · Structure no. SA6700000000167

Built
1987
38 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete
Length
133 ft
7 main spans
Daily traffic
150
2023 count
Owner
County
County Highway Agency

About this bridge

Lombardy Road over Black Bayou is a concrete slab carrying Lombardy Road over Black Bayou in Sunflower County, Mississippi. It was built in 1987, so it is 38 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 150 vehicles a day, roughly 8% of them trucks, projected to reach 225 by 2035. The structure is 133 ft (40.5 m) long and 31 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesLombardy Road
CrossesBlack Bayou
LocationSec 9 T24N R 4W B
RouteCounty Highway 2847
Coordinates33.95698, -90.60657
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating30 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length133 ft (40.5 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2023)
Projected traffic225 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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$706,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lombardy Road over Black Bayou built?

It was built in 1987, making it 38 years old in 2025.

What condition is Lombardy Road over Black Bayou 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 2023.

How much traffic does Lombardy Road over Black Bayou carry?

About 150 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Lombardy Road over Black Bayou?

The structure is 133 ft (40.5 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns Lombardy Road over Black Bayou?

It is owned by the County Highway Agency.