US Bridges

Lombardy Road over Black Bayou

Good

Sunflower County, Mississippi · Sec 3 T24N R 4W B · Structure no. SA6700000000165

Built
1986
39 years old
Condition
Good
inspected October 2023
Type
Channel Beam
Concrete
Length
152 ft
8 main spans
Daily traffic
160
2023 count
Owner
County
County Highway Agency

About this bridge

Lombardy Road over Black Bayou is a concrete channel beam carrying Lombardy Road over Black Bayou in Sunflower County, Mississippi. It was built in 1986, so it is 39 years old, older 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 160 vehicles a day, roughly 8% of them trucks, projected to reach 240 by 2035. The structure is 152 ft (46.3 m) long and 25 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesLombardy Road
CrossesBlack Bayou
LocationSec 3 T24N R 4W B
RouteCounty Highway 2847
Coordinates33.98364, -90.59445
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
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 geometry4: Meets minimum tolerable limits to be left in place as is
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 typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans8
Design loadH 15
Structure length152 ft (46.3 m)
Longest span19 ft (5.8 m)
Deck width25 ft (7.6 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160 (2023)
Projected traffic240 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$773,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lombardy Road over Black Bayou built?

It was built in 1986, making it 39 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 160 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Lombardy Road over Black Bayou?

The structure is 152 ft (46.3 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns Lombardy Road over Black Bayou?

It is owned by the County Highway Agency.