US Bridges

LA0083 over Commmerical Canal

Fair

Iberia Parish, Louisiana · 1.1 MI South of LA 14 · Structure no. 032302360101131

Built
1948
77 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
121 ft
3 main spans
Daily traffic
3,451
2020 count
Owner
State
State Highway Agency

About this bridge

LA0083 over Commmerical Canal is a steel stringer/multi-beam or girder carrying LA0083 over Commmerical Canal in Iberia Parish, Louisiana. It was built in 1948, so it is 77 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.

It carries about 3,451 vehicles a day, roughly 9% of them trucks, projected to reach 3,796 by 2040. The structure is 121 ft (36.9 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLA0083
CrossesCommmerical Canal
Location1.1 MI South of LA 14
RouteState Highway 83
CountyIberia Parish
StateLouisiana
Coordinates29.9703, -91.8368
Functional classUrban Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating40 US tons
Inventory rating23 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length121 ft (36.9 m)
Longest span40 ft (12.2 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,451 (2020)
Projected traffic3,796 by 2040
Trucks9%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$588,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0083 over Commmerical Canal built?

It was built in 1948, making it 77 years old in 2025.

What condition is LA0083 over Commmerical 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 May 2023.

How much traffic does LA0083 over Commmerical Canal carry?

About 3,451 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is LA0083 over Commmerical Canal?

The structure is 121 ft (36.9 m) long with a longest span of 40 ft (12.2 m) and a deck 28 ft wide.

Who owns LA0083 over Commmerical Canal?

It is owned by the State Highway Agency.