US Bridges

Ingalls Avenue over Relief

Good

Jackson County, Mississippi · Sec 8 T 8S R 6W · Structure no. SA3000000000146

Built
1950
75 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
20 ft
1 main span
Daily traffic
7,900
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ingalls Avenue over Relief is a concrete culvert carrying Ingalls Avenue over Relief in Jackson County, Mississippi. It was built in 1950, so it is 75 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,900 vehicles a day, roughly 10% of them trucks, projected to reach 9,000 by 2044. The structure is 20 ft (6.1 m) long and 61 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIngalls Avenue
CrossesRelief
LocationSec 8 T 8S R 6W
RouteCity Street 282
Coordinates30.35484, -88.54742
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating60.2 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width61 ft (18.6 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,900 (2024)
Projected traffic9,000 by 2044
Trucks10%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$800,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Ingalls Avenue over Relief built?

It was built in 1950, making it 75 years old in 2025.

What condition is Ingalls Avenue over 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 March 2024.

How much traffic does Ingalls Avenue over Relief carry?

About 7,900 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Ingalls Avenue over Relief?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m) and a deck 61 ft wide.

Who owns Ingalls Avenue over Relief?

It is owned by the City or Municipal Highway Agency.