US Bridges

LA0042 over Amite River @ Pvincent

PoorPosted for load

Livingston Parish, Louisiana · 0.1 M S of LA 16 · Structure no. 623202600200001

Built
1963
62 years old
Condition
Poor
inspected September 2024
Type
Movable - Swing
Steel
Length
398 ft
1 main span
Daily traffic
13,122
2021 count
Owner
State
State Highway Agency

About this bridge

LA0042 over Amite River @ Pvincent is a steel movable - swing carrying LA0042 over Amite River @ Pvincent in Livingston Parish, Louisiana. It was built in 1963, so it is 62 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 3 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 13,122 vehicles a day, roughly 8% of them trucks, projected to reach 14,434 by 2041. The structure is 398 ft (121.3 m) long and 38 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesLA0042
CrossesAmite River @ Pvincent
Location0.1 M S of LA 16
RouteState Highway 42
Coordinates30.33172, -90.85256
Functional classUrban Minor Arterial

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.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.1 US tons
Inventory rating35.1 US tons

Structure

Structure typeMovable - Swing
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+5 approach)
Design loadHS 20
Structure length398 ft (121.3 m)
Longest span198 ft (60.4 m)
Deck width38 ft (11.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,122 (2021)
Projected traffic14,434 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was LA0042 over Amite River @ Pvincent built?

It was built in 1963, making it 62 years old in 2025.

What condition is LA0042 over Amite River @ Pvincent 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 September 2024.

How much traffic does LA0042 over Amite River @ Pvincent carry?

About 13,122 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is LA0042 over Amite River @ Pvincent?

The structure is 398 ft (121.3 m) long with a longest span of 198 ft (60.4 m) and a deck 38 ft wide.

Who owns LA0042 over Amite River @ Pvincent?

It is owned by the State Highway Agency.