US Bridges

LA0682 over Norris Canal

PoorPosted for load

Iberia Parish, Louisiana · .84 M N of Jeff. Isl. Rd. · Structure no. 032308233400841

Built
1967
58 years old
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
95 ft
5 main spans
Daily traffic
750
2021 count
Owner
State
State Highway Agency

About this bridge

LA0682 over Norris Canal is a wood or timber stringer/multi-beam or girder carrying LA0682 over Norris Canal in Iberia Parish, Louisiana. It was built in 1967, so it is 58 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 750 vehicles a day, roughly 12% of them trucks, projected to reach 825 by 2041. The structure is 95 ft (29 m) long and 23 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesLA0682
CrossesNorris Canal
Location.84 M N of Jeff. Isl. Rd.
RouteState Highway 682
Coordinates29.99253, -91.96444
Functional classRural Minor Collector

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating8 US tons
Inventory rating3 US tons

Structure

MaterialWood or Timber
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length95 ft (29 m)
Longest span19 ft (5.8 m)
Deck width23 ft (7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2021)
Projected traffic825 by 2041
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$475,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0682 over Norris Canal built?

It was built in 1967, making it 58 years old in 2025.

What condition is LA0682 over Norris 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 August 2024.

How much traffic does LA0682 over Norris Canal carry?

About 750 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is LA0682 over Norris Canal?

The structure is 95 ft (29 m) long with a longest span of 19 ft (5.8 m) and a deck 23 ft wide.

Who owns LA0682 over Norris Canal?

It is owned by the State Highway Agency.