US Bridges

Lombardy Road over Dougherty Bayou

Good

Sunflower County, Mississippi · Sec 31 T23N R 3W B · Structure no. SA6700000000143

Built
1974
51 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
480
2024 count
Owner
County
County Highway Agency

About this bridge

Lombardy Road over Dougherty Bayou is a prestressed concrete stringer/multi-beam or girder carrying Lombardy Road over Dougherty Bayou in Sunflower County, Mississippi. It was built in 1974, so it is 51 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 480 vehicles a day, roughly 8% of them trucks, projected to reach 720 by 2044. The structure is 120 ft (36.6 m) long and 31 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesLombardy Road
CrossesDougherty Bayou
LocationSec 31 T23N R 3W B
RouteCounty Highway 2847
Coordinates33.81559, -90.55133
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating82.9 US tons
Inventory rating37.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic480 (2024)
Projected traffic720 by 2044
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$1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lombardy Road over Dougherty Bayou built?

It was built in 1974, making it 51 years old in 2025.

What condition is Lombardy Road over Dougherty 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 May 2024.

How much traffic does Lombardy Road over Dougherty Bayou carry?

About 480 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Lombardy Road over Dougherty Bayou?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.

Who owns Lombardy Road over Dougherty Bayou?

It is owned by the County Highway Agency.