US Bridges

LA0943 over Bayou Mccall

PoorPosted for load

Ascension Parish, Louisiana · 1.4 M W of LA 1&LA 943 · Structure no. 610308030106391

Built
1972
53 years old
Condition
Poor
inspected January 2024
Type
Slab
Concrete
Length
57 ft
3 main spans
Daily traffic
350
2021 count
Owner
State
State Highway Agency

About this bridge

LA0943 over Bayou Mccall is a concrete slab carrying LA0943 over Bayou Mccall in Ascension Parish, Louisiana. It was built in 1972, so it is 53 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 350 vehicles a day, roughly 10% of them trucks, projected to reach 385 by 2041. The structure is 57 ft (17.4 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLA0943
CrossesBayou Mccall
Location1.4 M W of LA 1&LA 943
RouteState Highway 943
Coordinates30.10807, -91.06512
Functional classRural Local

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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24.7 US tons
Inventory rating19 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2021)
Projected traffic385 by 2041
Trucks10%
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$312,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0943 over Bayou Mccall built?

It was built in 1972, making it 53 years old in 2025.

What condition is LA0943 over Bayou Mccall 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 January 2024.

How much traffic does LA0943 over Bayou Mccall carry?

About 350 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is LA0943 over Bayou Mccall?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns LA0943 over Bayou Mccall?

It is owned by the State Highway Agency.