US Bridges

I0010 over East Pearl River

Fair

St. Tammany Parish, Louisiana · I0010 · Structure no. 625204501900001

Built
1966
59 years old
Condition
Fair
inspected September 2023
Type
Girder and Floorbeam System
Steel
Length
4,987 ft
1 main span
Daily traffic
87,741
2021 count
Owner
State
State Highway Agency

About this bridge

I0010 over East Pearl River is a steel girder and floorbeam system carrying I0010 over East Pearl River in St. Tammany Parish, Louisiana. It was built in 1966, so it is 59 years old, older than the Louisiana average of 43 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 87,741 vehicles a day, roughly 24% of them trucks, projected to reach 96,515 by 2041. The structure is 4,987 ft (1,520 m) long and 66 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesI0010
CrossesEast Pearl River
LocationI0010
RouteInterstate 10
Coordinates30.30155, -89.64953
Functional classRural 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.1 US tons
Inventory rating38.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+74 approach)
Design loadHS 20 + Mod
Structure length4,987 ft (1,520 m)
Longest span165 ft (50.3 m)
Deck width66 ft (20.1 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic87,741 (2021)
Projected traffic96,515 by 2041
Trucks24%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$743.4 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was I0010 over East Pearl River built?

It was built in 1966, making it 59 years old in 2025.

What condition is I0010 over East Pearl 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 September 2023.

How much traffic does I0010 over East Pearl River carry?

About 87,741 vehicles per day (2021 count), of which roughly 24% are trucks.

How long is I0010 over East Pearl River?

The structure is 4,987 ft (1,520 m) long with a longest span of 165 ft (50.3 m) and a deck 66 ft wide.

Who owns I0010 over East Pearl River?

It is owned by the State Highway Agency.