US Bridges

I 20 over Gibraltor Street

Fair

Hinds County, Mississippi · 2.0 MI E SR 18 · Structure no. 11000200250431A

Built
1969
56 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
162 ft
3 main spans
Daily traffic
37,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 20 over Gibraltor Street is a prestressed concrete stringer/multi-beam or girder carrying I 20 over Gibraltor Street in Hinds County, Mississippi. It was built in 1969, so it is 56 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 37,000 vehicles a day, roughly 18% of them trucks, projected to reach 38,500 by 2043. The structure is 162 ft (49.4 m) long and 64 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 20
CrossesGibraltor Street
Location2.0 MI E SR 18
RouteInterstate 20
Coordinates32.28857, -90.23198
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.
Superstructure8 Very GoodNo problems noted.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating38.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length162 ft (49.4 m)
Longest span60 ft (18.3 m)
Deck width64 ft (19.4 m)
Roadway width60 ft (18.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,000 (2023)
Projected traffic38,500 by 2043
Trucks18%
Lanes on structure4
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 Gibraltor Street built?

It was built in 1969, making it 56 years old in 2025.

What condition is I 20 over Gibraltor Street 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 Gibraltor Street carry?

About 37,000 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is I 20 over Gibraltor Street?

The structure is 162 ft (49.4 m) long with a longest span of 60 ft (18.3 m) and a deck 64 ft wide.

Who owns I 20 over Gibraltor Street?

It is owned by the State Highway Agency.