US Bridges

US 84 over Chickasawhay Relief

Good

Wayne County, Mississippi · 3.5 MI W US 45 · Structure no. 21000840771778A

Built
2001
24 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,045 ft
26 main spans
Daily traffic
4,300
2023 count
Owner
State
State Highway Agency

About this bridge

US 84 over Chickasawhay Relief is a prestressed concrete stringer/multi-beam or girder carrying US 84 over Chickasawhay Relief in Wayne County, Mississippi. It was built in 2001, so it is 24 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 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 4,300 vehicles a day, roughly 17% of them trucks, projected to reach 4,300 by 2043. The structure is 1,045 ft (318.5 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 84
CrossesChickasawhay Relief
Location3.5 MI W US 45
RouteU.S. Route 84
Coordinates31.68324, -88.67724
Functional classRural Principal Arterial - Other

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.2 US tons
Inventory rating38.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans26
Design loadHS 20
Structure length1,045 ft (318.5 m)
Longest span40 ft (12.2 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,300 (2023)
Projected traffic4,300 by 2043
Trucks17%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US 84 over Chickasawhay Relief built?

It was built in 2001, making it 24 years old in 2025.

What condition is US 84 over Chickasawhay 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 September 2023.

How much traffic does US 84 over Chickasawhay Relief carry?

About 4,300 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is US 84 over Chickasawhay Relief?

The structure is 1,045 ft (318.5 m) long with a longest span of 40 ft (12.2 m) and a deck 43 ft wide.

Who owns US 84 over Chickasawhay Relief?

It is owned by the State Highway Agency.