US Bridges

Washington Avenue over Bayou-Relief

Good

Jackson County, Mississippi · Sec 8 T 8S R 6W · Structure no. SA300000000A147

Built
2021
4 years old
Condition
Good
inspected December 2023
Type
Channel Beam
Concrete
Length
31 ft
1 main span
Daily traffic
1,800
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Washington Avenue over Bayou-Relief is a concrete channel beam carrying Washington Avenue over Bayou-Relief in Jackson County, Mississippi. It was built in 2021, so it is 4 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 1,800 vehicles a day, roughly 10% of them trucks, projected to reach 2,530 by 2043. The structure is 31 ft (9.4 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWashington Avenue
CrossesBayou-Relief
LocationSec 8 T 8S R 6W
RouteCity Street 316
Coordinates30.34468, -88.54395
Functional classUrban Local

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 protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating41.4 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length31 ft (9.4 m)
Longest span31 ft (9.4 m)
Deck width39 ft (11.9 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2023)
Projected traffic2,530 by 2043
Trucks10%
Lanes on structure2
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Washington Avenue over Bayou-Relief built?

It was built in 2021, making it 4 years old in 2025.

What condition is Washington Avenue 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 December 2023.

How much traffic does Washington Avenue over Bayou-Relief carry?

About 1,800 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Washington Avenue over Bayou-Relief?

The structure is 31 ft (9.4 m) long with a longest span of 31 ft (9.4 m) and a deck 39 ft wide.

Who owns Washington Avenue over Bayou-Relief?

It is owned by the City or Municipal Highway Agency.