US Bridges

I 10 over US 49

Fair

Harrison County, Mississippi · I 10 over US 49 · Structure no. 11000100240357B

Built
1969
56 years old, rebuilt 2000
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
271 ft
2 main spans
Daily traffic
27,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 10 over US 49 is a prestressed concrete stringer/multi-beam or girder carrying I 10 over US 49 in Harrison County, Mississippi. It was built in 1969 and reconstructed in 2000, 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 6 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 27,000 vehicles a day, roughly 18% of them trucks, projected to reach 27,000 by 2043. The structure is 271 ft (82.6 m) long and 74 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 10
CrossesUS 49
LocationI 10 over US 49
RouteInterstate 10
CountyHarrison County
StateMississippi
Coordinates30.43251, -89.09407
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.8 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20 + Mod
Structure length271 ft (82.6 m)
Longest span82 ft (25 m)
Deck width74 ft (22.6 m)
Roadway width71 ft (21.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,000 (2023)
Projected traffic27,000 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 10 over US 49 built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2000.

What condition is I 10 over US 49 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 November 2023.

How much traffic does I 10 over US 49 carry?

About 27,000 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is I 10 over US 49?

The structure is 271 ft (82.6 m) long with a longest span of 82 ft (25 m) and a deck 74 ft wide.

Who owns I 10 over US 49?

It is owned by the State Highway Agency.