US Bridges

St. Andrews Blvd. over Canal

Fair

St. John the Baptist Parish, Louisiana · 1.6 Miles East of LA 3188 · Structure no. 624800000620277

Built
1997
28 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
38 ft
2 main spans
Daily traffic
300
2011 count
Owner
County
County Highway Agency

About this bridge

St. Andrews Blvd. over Canal is a concrete slab carrying St. Andrews Blvd. over Canal in St. John the Baptist Parish, Louisiana. It was built in 1997, so it is 28 years old, younger 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 300 vehicles a day, roughly 1% of them trucks, projected to reach 330 by 2031. The structure is 38 ft (11.6 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSt. Andrews Blvd.
CrossesCanal
Location1.6 Miles East of LA 3188
RouteCounty Highway 0
CountySt. John the Baptist Parish
StateLouisiana
Coordinates30.09351, -90.48743
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating52.9 US tons
Inventory rating40.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span19 ft (5.8 m)
Deck width30 ft (9 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2011)
Projected traffic330 by 2031
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$160,000
NavigationNo navigation control on waterway

Frequently asked questions

When was St. Andrews Blvd. over Canal built?

It was built in 1997, making it 28 years old in 2025.

What condition is St. Andrews Blvd. over Canal 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 2024.

How much traffic does St. Andrews Blvd. over Canal carry?

About 300 vehicles per day (2011 count), of which roughly 1% are trucks.

How long is St. Andrews Blvd. over Canal?

The structure is 38 ft (11.6 m) long with a longest span of 19 ft (5.8 m) and a deck 30 ft wide.

Who owns St. Andrews Blvd. over Canal?

It is owned by the County Highway Agency.