US Bridges

I 10 over Tchoutacabouffa River

Fair

Harrison County, Mississippi · 1.6 MI E SR 67 · Structure no. 11000100240450A

Built
1969
56 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
2,486 ft
3 main spans
Daily traffic
47,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 10 over Tchoutacabouffa River is a steel continuous stringer/multi-beam or girder carrying I 10 over Tchoutacabouffa River in Harrison 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 47,000 vehicles a day, roughly 10% of them trucks, projected to reach 48,000 by 2043. The structure is 2,486 ft (757.7 m) long and 62 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI 10
CrossesTchoutacabouffa River
Location1.6 MI E SR 67
RouteInterstate 10
CountyHarrison County
StateMississippi
Coordinates30.45303, -88.94168
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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; scour within limits of footing or piles
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 rating65 US tons
Inventory rating33.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+32 approach)
Design loadHS 20 + Mod
Structure length2,486 ft (757.7 m)
Longest span140 ft (42.7 m)
Deck width62 ft (19 m)
Roadway width59 ft (18.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47,000 (2023)
Projected traffic48,000 by 2043
Trucks10%
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 Tchoutacabouffa River built?

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

What condition is I 10 over Tchoutacabouffa 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 Tchoutacabouffa River carry?

About 47,000 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is I 10 over Tchoutacabouffa River?

The structure is 2,486 ft (757.7 m) long with a longest span of 140 ft (42.7 m) and a deck 62 ft wide.

Who owns I 10 over Tchoutacabouffa River?

It is owned by the State Highway Agency.