US Bridges

I 20 over US 80

Good

Rankin County, Mississippi · I 20 over US 80 · Structure no. 11000200610571B

Built
1967
58 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
182 ft
4 main spans
Daily traffic
22,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 20 over US 80 is a prestressed concrete stringer/multi-beam or girder carrying I 20 over US 80 in Rankin County, Mississippi. It was built in 1967, so it is 58 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 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 22,000 vehicles a day, roughly 23% of them trucks, projected to reach 24,500 by 2043. The structure is 182 ft (55.5 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 20
CrossesUS 80
LocationI 20 over US 80
RouteInterstate 20
Coordinates32.27865, -90.00148
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating38.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length182 ft (55.5 m)
Longest span51 ft (15.5 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,000 (2023)
Projected traffic24,500 by 2043
Trucks23%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 20 over US 80 built?

It was built in 1967, making it 58 years old in 2025.

What condition is I 20 over US 80 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 2024.

How much traffic does I 20 over US 80 carry?

About 22,000 vehicles per day (2023 count), of which roughly 23% are trucks.

How long is I 20 over US 80?

The structure is 182 ft (55.5 m) long with a longest span of 51 ft (15.5 m) and a deck 42 ft wide.

Who owns I 20 over US 80?

It is owned by the State Highway Agency.