US Bridges

I0059 over E. Pearl Riv Frontage RD

Fair

St. Tammany Parish, Louisiana · 8.2 MI N of US 11 · Structure no. 625204530200001

Built
1958
67 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
400 ft
3 main spans
Daily traffic
14,900
2016 count
Owner
State
State Highway Agency

About this bridge

I0059 over E. Pearl Riv Frontage RD is a concrete continuous box beam or girders - multiple carrying I0059 over E. Pearl Riv Frontage RD in St. Tammany Parish, Louisiana. It was built in 1958, so it is 67 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 14,900 vehicles a day, roughly 25% of them trucks, projected to reach 16,390 by 2036. The structure is 400 ft (121.9 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI0059
CrossesE. Pearl Riv Frontage RD
Location8.2 MI N of US 11
RouteInterstate 59
Coordinates30.46208, -89.69539
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+8 approach)
Design loadHS 20
Structure length400 ft (121.9 m)
Longest span90 ft (27.4 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,900 (2016)
Projected traffic16,390 by 2036
Trucks25%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway and waterway
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.7 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I0059 over E. Pearl Riv Frontage RD built?

It was built in 1958, making it 67 years old in 2025.

What condition is I0059 over E. Pearl Riv Frontage RD 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 2023.

How much traffic does I0059 over E. Pearl Riv Frontage RD carry?

About 14,900 vehicles per day (2016 count), of which roughly 25% are trucks.

How long is I0059 over E. Pearl Riv Frontage RD?

The structure is 400 ft (121.9 m) long with a longest span of 90 ft (27.4 m) and a deck 33 ft wide.

Who owns I0059 over E. Pearl Riv Frontage RD?

It is owned by the State Highway Agency.