US Bridges

I 10 over Biloxi River

Fair

Harrison County, Mississippi · 2.5 MI W SR 67 · Structure no. 11000100240407A

Built
1969
56 years old, rebuilt 2000
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
2,413 ft
3 main spans
Daily traffic
39,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 10 over Biloxi River is a steel continuous stringer/multi-beam or girder carrying I 10 over Biloxi River 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 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 39,000 vehicles a day, roughly 14% of them trucks, projected to reach 40,000 by 2043. The structure is 2,413 ft (735.5 m) long and 62 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 10
CrossesBiloxi River
Location2.5 MI W SR 67
RouteInterstate 10
CountyHarrison County
StateMississippi
Coordinates30.44905, -89.00584
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating33.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+29 approach)
Design loadHS 20 + Mod
Structure length2,413 ft (735.5 m)
Longest span180 ft (54.9 m)
Deck width62 ft (18.9 m)
Roadway width59 ft (18 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39,000 (2023)
Projected traffic40,000 by 2043
Trucks14%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was I 10 over Biloxi River built?

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

What condition is I 10 over Biloxi River 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 June 2023.

How much traffic does I 10 over Biloxi River carry?

About 39,000 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is I 10 over Biloxi River?

The structure is 2,413 ft (735.5 m) long with a longest span of 180 ft (54.9 m) and a deck 62 ft wide.

Who owns I 10 over Biloxi River?

It is owned by the State Highway Agency.