US Bridges

LA1077 over Canal

Fair

St. Tammany Parish, Louisiana · 2 Miles South of LA 22 · Structure no. 625200000620287

Built
2013
12 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
95 ft
5 main spans
Daily traffic
1,019
2021 count
Owner
State
State Highway Agency

About this bridge

LA1077 over Canal is a wood or timber stringer/multi-beam or girder carrying LA1077 over Canal in St. Tammany Parish, Louisiana. It was built in 2013, so it is 12 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 1,019 vehicles a day, roughly 13% of them trucks, projected to reach 1,120 by 2041. The structure is 95 ft (29 m) long and 14 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesLA1077
CrossesCanal
Location2 Miles South of LA 22
RouteState Highway 1077
CountySt. Tammany Parish
StateLouisiana
Coordinates30.38276, -90.1599
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating37.5 US tons
Inventory rating27.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans5
Design loadH 20
Structure length95 ft (29 m)
Longest span19 ft (5.8 m)
Deck width14 ft (4.4 m)
Roadway width12 ft (3.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,019 (2021)
Projected traffic1,120 by 2041
Trucks13%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 LA1077 over Canal built?

It was built in 2013, making it 12 years old in 2025.

What condition is LA1077 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 October 2023.

How much traffic does LA1077 over Canal carry?

About 1,019 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is LA1077 over Canal?

The structure is 95 ft (29 m) long with a longest span of 19 ft (5.8 m) and a deck 14 ft wide.

Who owns LA1077 over Canal?

It is owned by the State Highway Agency.