US Bridges

Alvar ST over Almonaster L&n Railroad

Fair

Orleans Parish, Louisiana · 0.1 Mi. S. of Downman RD · Structure no. 023630000900181

Built
1978
47 years old
Condition
Fair
inspected April 2023
Type
Girder and Floorbeam System
Steel
Length
1,163 ft
3 main spans
Daily traffic
—
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

Alvar ST over Almonaster L&n Railroad is a steel girder and floorbeam system carrying Alvar ST over Almonaster L&n Railroad in Orleans Parish, Louisiana. It was built in 1978, so it is 47 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.

No traffic count is recorded. The structure is 1,163 ft (354.5 m) long and 71 ft wide.

Location

Open in Google Maps
CarriesAlvar ST
CrossesAlmonaster L&n Railroad
Location0.1 Mi. S. of Downman RD
RouteCounty Highway 0
CountyOrleans Parish
StateLouisiana
Coordinates30.00185, -90.03008
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating28.9 US tons
Inventory rating22.2 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans3 (+32 approach)
Design loadHS 20
Structure length1,163 ft (354.5 m)
Longest span120 ft (36.6 m)
Deck width71 ft (21.5 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic—
Projected traffic—
Trucks—
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Alvar ST over Almonaster L&n Railroad built?

It was built in 1978, making it 47 years old in 2025.

What condition is Alvar ST over Almonaster L&n Railroad 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 April 2023.

How much traffic does Alvar ST over Almonaster L&n Railroad carry?

No traffic count is recorded for this structure.

How long is Alvar ST over Almonaster L&n Railroad?

The structure is 1,163 ft (354.5 m) long with a longest span of 120 ft (36.6 m) and a deck 71 ft wide.

Who owns Alvar ST over Almonaster L&n Railroad?

It is owned by the City or Municipal Highway Agency.