US Bridges

I 20 over US 80

Poor

Rankin County, Mississippi · I 20 over US 80 · Structure no. 11000200610601A

Built
1966
59 years old
Condition
Poor
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
362 ft
7 main spans
Daily traffic
17,500
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 1966, so it is 59 years old, older than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 17,500 vehicles a day, roughly 29% of them trucks, projected to reach 18,000 by 2043. The structure is 362 ft (110.3 m) long and 33 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
Coordinates32.27646, -89.94851
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.6 US tons
Inventory rating44.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length362 ft (110.3 m)
Longest span70 ft (21.3 m)
Deck width33 ft (10 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,500 (2023)
Projected traffic18,000 by 2043
Trucks29%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$380 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 20 over US 80 built?

It was built in 1966, making it 59 years old in 2025.

What condition is I 20 over US 80 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2024.

How much traffic does I 20 over US 80 carry?

About 17,500 vehicles per day (2023 count), of which roughly 29% are trucks.

How long is I 20 over US 80?

The structure is 362 ft (110.3 m) long with a longest span of 70 ft (21.3 m) and a deck 33 ft wide.

Who owns I 20 over US 80?

It is owned by the State Highway Agency.