US Bridges

Palmetto ST Onramp over KCS RR

Poor

Orleans Parish, Louisiana · 2.4 MI East of LA 3046 · Structure no. 023629523900765

Built
1960
65 years old
Condition
Poor
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
682 ft
12 main spans
Daily traffic
47,738
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Palmetto ST Onramp over KCS RR is a steel stringer/multi-beam or girder carrying Palmetto ST Onramp over KCS RR in Orleans Parish, Louisiana. It was built in 1960, so it is 65 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 47,738 vehicles a day, projected to reach 52,511 by 2041. The structure is 682 ft (207.9 m) long and 23 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesPalmetto ST Onramp
CrossesKCS RR
Location2.4 MI East of LA 3046
RouteCounty Highway 0
CountyOrleans Parish
StateLouisiana
Coordinates29.97147, -90.11871
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38.9 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans12 (+5 approach)
Design loadHS 20
Structure length682 ft (207.9 m)
Longest span82 ft (25 m)
Deck width23 ft (7.1 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47,738 (2021)
Projected traffic52,511 by 2041
Trucks—
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.9 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Palmetto ST Onramp over KCS RR built?

It was built in 1960, making it 65 years old in 2025.

What condition is Palmetto ST Onramp over KCS RR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2023.

How much traffic does Palmetto ST Onramp over KCS RR carry?

About 47,738 vehicles per day (2021 count).

How long is Palmetto ST Onramp over KCS RR?

The structure is 682 ft (207.9 m) long with a longest span of 82 ft (25 m) and a deck 23 ft wide.

Who owns Palmetto ST Onramp over KCS RR?

It is owned by the City or Municipal Highway Agency.