US Bridges

Gregory Street over Bayou-Relief

Good

Jackson County, Mississippi · Sec 28 T 7S R 5W · Structure no. SA3000000000097

Built
1999
26 years old
Condition
Good
inspected February 2024
Type
Channel Beam
Concrete
Length
57 ft
3 main spans
Daily traffic
600
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Gregory Street over Bayou-Relief is a concrete channel beam carrying Gregory Street over Bayou-Relief in Jackson County, Mississippi. It was built in 1999, so it is 26 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 600 vehicles a day, roughly 10% of them trucks, projected to reach 900 by 2044. The structure is 57 ft (17.4 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesGregory Street
CrossesBayou-Relief
LocationSec 28 T 7S R 5W
RouteCity Street 872
Coordinates30.40639, -88.49066
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 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 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 rating98.3 US tons
Inventory rating59.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width24 ft (7.4 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2024)
Projected traffic900 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Gregory Street over Bayou-Relief built?

It was built in 1999, making it 26 years old in 2025.

What condition is Gregory Street over Bayou-Relief 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 February 2024.

How much traffic does Gregory Street over Bayou-Relief carry?

About 600 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Gregory Street over Bayou-Relief?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 24 ft wide.

Who owns Gregory Street over Bayou-Relief?

It is owned by the City or Municipal Highway Agency.