US Bridges

I 20/I 59 over Relief

Good

Lauderdale County, Mississippi · 0.8 MI E JCT I 20/I 59 · Structure no. 11000590381483A

Built
2008
17 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
201 ft
1 main span
Daily traffic
18,500
2023 count
Owner
State
State Highway Agency

About this bridge

I 20/I 59 over Relief is a prestressed concrete stringer/multi-beam or girder carrying I 20/I 59 over Relief in Lauderdale County, Mississippi. It was built in 2008, so it is 17 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 18,500 vehicles a day, roughly 38% of them trucks, projected to reach 24,000 by 2043. The structure is 201 ft (61.4 m) long and 57 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesI 20/I 59
CrossesRelief
Location0.8 MI E JCT I 20/I 59
RouteInterstate 59
Coordinates32.34556, -88.76323
Functional classUrban Principal Arterial - Interstate

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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.9 US tons
Inventory rating38.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+5 approach)
Design loadHS 20
Structure length201 ft (61.4 m)
Longest span40 ft (12.2 m)
Deck width57 ft (17.4 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,500 (2023)
Projected traffic24,000 by 2043
Trucks38%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I 20/I 59 over Relief built?

It was built in 2008, making it 17 years old in 2025.

What condition is I 20/I 59 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 May 2023.

How much traffic does I 20/I 59 over Relief carry?

About 18,500 vehicles per day (2023 count), of which roughly 38% are trucks.

How long is I 20/I 59 over Relief?

The structure is 201 ft (61.4 m) long with a longest span of 40 ft (12.2 m) and a deck 57 ft wide.

Who owns I 20/I 59 over Relief?

It is owned by the State Highway Agency.