US Bridges

5th ST over Franklin Canal

FairPosted for load

St. Mary Parish, Louisiana · 0.2 MI N of Willow St. · Structure no. 035129476913071

Built
1960
65 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
300
2022 count
Owner
County
County Highway Agency

About this bridge

5th ST over Franklin Canal is a concrete culvert carrying 5th ST over Franklin Canal in St. Mary 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 300 vehicles a day, projected to reach 330 by 2042. The structure is 33 ft (10.1 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries5th ST
CrossesFranklin Canal
Location0.2 MI N of Willow St.
RouteCounty Highway 0
Coordinates29.79146, -91.50945
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.6 US tons
Inventory rating38.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width30 ft (9 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2022)
Projected traffic330 by 2042
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 5th ST over Franklin Canal built?

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

What condition is 5th ST over Franklin 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 April 2023.

How much traffic does 5th ST over Franklin Canal carry?

About 300 vehicles per day (2022 count).

How long is 5th ST over Franklin Canal?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m) and a deck 30 ft wide.

Who owns 5th ST over Franklin Canal?

It is owned by the County Highway Agency.