US Bridges

I 20 over West Highland Drive

Fair

Hinds County, Mississippi · 1.6 MI E SR 18 · Structure no. 11000200250426B

Built
1968
57 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
182 ft
3 main spans
Daily traffic
41,500
2023 count
Owner
State
State Highway Agency

About this bridge

I 20 over West Highland Drive is a prestressed concrete stringer/multi-beam or girder carrying I 20 over West Highland Drive in Hinds County, Mississippi. It was built in 1968, so it is 57 years old, older than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 41,500 vehicles a day, roughly 18% of them trucks, projected to reach 45,500 by 2043. The structure is 182 ft (55.5 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 20
CrossesWest Highland Drive
Location1.6 MI E SR 18
RouteInterstate 20
CountyHinds County
StateMississippi
Coordinates32.28866, -90.24054
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.8 US tons
Inventory rating34.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length182 ft (55.5 m)
Longest span60 ft (18.3 m)
Deck width54 ft (16.4 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,500 (2023)
Projected traffic45,500 by 2043
Trucks18%
Lanes on structure3
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 West Highland Drive built?

It was built in 1968, making it 57 years old in 2025.

What condition is I 20 over West Highland Drive in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does I 20 over West Highland Drive carry?

About 41,500 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is I 20 over West Highland Drive?

The structure is 182 ft (55.5 m) long with a longest span of 60 ft (18.3 m) and a deck 54 ft wide.

Who owns I 20 over West Highland Drive?

It is owned by the State Highway Agency.