US Bridges

Chestnut ST over Northdale Canal

Fair

East Baton Rouge Parish, Louisiana · 0.2 MI W of LA 3164 · Structure no. 611730279911021

Built
1960
65 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
38 ft
2 main spans
Daily traffic
1,544
2019 count
Owner
County
County Highway Agency

About this bridge

Chestnut ST over Northdale Canal is a wood or timber stringer/multi-beam or girder carrying Chestnut 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 fair condition with a lowest component rating of 5 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 1,544 vehicles a day, projected to reach 1,698 by 2039. The structure is 38 ft (11.6 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesChestnut ST
CrossesNorthdale Canal
Location0.2 MI W of LA 3164
RouteCounty Highway 0
CountyEast Baton Rouge Parish
StateLouisiana
Coordinates30.4649, -91.17069
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, 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 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 rating43.2 US tons
Inventory rating33.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length38 ft (11.6 m)
Longest span19 ft (5.8 m)
Deck width48 ft (14.6 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,544 (2019)
Projected traffic1,698 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 Chestnut ST over Northdale Canal built?

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

What condition is Chestnut ST over Northdale 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 January 2024.

How much traffic does Chestnut ST over Northdale Canal carry?

About 1,544 vehicles per day (2019 count).

How long is Chestnut ST over Northdale Canal?

The structure is 38 ft (11.6 m) long with a longest span of 19 ft (5.8 m) and a deck 48 ft wide.

Who owns Chestnut ST over Northdale Canal?

It is owned by the County Highway Agency.