US Bridges

Orange ST over I-20

FairPosted for load

Ouachita Parish, Louisiana · .4 MI East of LA 594 · Structure no. 053704510619351

Built
1965
60 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
359 ft
4 main spans
Daily traffic
40,300
2015 count
Owner
State
State Highway Agency

About this bridge

Orange ST over I-20 is a steel stringer/multi-beam or girder carrying Orange ST over I-20 in Ouachita Parish, Louisiana. It was built in 1965, so it is 60 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. Its operating status is: posted for load restriction.

It carries about 40,300 vehicles a day, projected to reach 44,330 by 2035. The structure is 359 ft (109.4 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOrange ST
CrossesI-20
Location.4 MI East of LA 594
RouteCounty Highway 0
Coordinates32.49976, -92.0928
Functional classUrban Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating53 US tons
Inventory rating32 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length359 ft (109.4 m)
Longest span123 ft (37.5 m)
Deck width40 ft (12.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40,300 (2015)
Projected traffic44,330 by 2035
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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$1.5 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Orange ST over I-20 built?

It was built in 1965, making it 60 years old in 2025.

What condition is Orange ST over I-20 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 October 2024.

How much traffic does Orange ST over I-20 carry?

About 40,300 vehicles per day (2015 count).

How long is Orange ST over I-20?

The structure is 359 ft (109.4 m) long with a longest span of 123 ft (37.5 m) and a deck 40 ft wide.

Who owns Orange ST over I-20?

It is owned by the State Highway Agency.