US Bridges

Bay ST over Northdale Canal

PoorPosted for load

East Baton Rouge Parish, Louisiana · 0.1 MI W of LA 3164 · Structure no. 611730277911021

Built
1960
65 years old
Condition
Poor
inspected January 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
35 ft
2 main spans
Daily traffic
2,397
2019 count
Owner
County
County Highway Agency

About this bridge

Bay ST over Northdale Canal is a wood or timber stringer/multi-beam or girder carrying Bay ST over Northdale Canal in East Baton Rouge 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. Its operating status is: posted for load restriction.

It carries about 2,397 vehicles a day, projected to reach 2,636 by 2039. The structure is 35 ft (10.7 m) long and 49 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesBay ST
CrossesNorthdale Canal
Location0.1 MI W of LA 3164
RouteCounty Highway 0
CountyEast Baton Rouge Parish
StateLouisiana
Coordinates30.46245, -91.16992
Functional classRural 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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.2 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length35 ft (10.7 m)
Longest span19 ft (5.8 m)
Deck width49 ft (14.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,397 (2019)
Projected traffic2,636 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Bay ST over Northdale Canal built?

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

What condition is Bay ST over Northdale Canal 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 January 2024.

How much traffic does Bay ST over Northdale Canal carry?

About 2,397 vehicles per day (2019 count).

How long is Bay ST over Northdale Canal?

The structure is 35 ft (10.7 m) long with a longest span of 19 ft (5.8 m) and a deck 49 ft wide.

Who owns Bay ST over Northdale Canal?

It is owned by the County Highway Agency.