US Bridges

LA0562 over Bayou Macon

Good

Franklin Parish, Louisiana · 7.4 MI East of LA 15 · Structure no. 582101860107421

Built
1998
27 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
420 ft
6 main spans
Daily traffic
240
2021 count
Owner
State
State Highway Agency

About this bridge

LA0562 over Bayou Macon is a prestressed concrete stringer/multi-beam or girder carrying LA0562 over Bayou Macon in Franklin Parish, Louisiana. It was built in 1998, so it is 27 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 240 vehicles a day, roughly 11% of them trucks, projected to reach 264 by 2041. The structure is 420 ft (128 m) long and 32 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesLA0562
CrossesBayou Macon
Location7.4 MI East of LA 15
RouteState Highway 562
Coordinates31.98177, -91.5659
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating36.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length420 ft (128 m)
Longest span70 ft (21.3 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic240 (2021)
Projected traffic264 by 2041
Trucks11%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was LA0562 over Bayou Macon built?

It was built in 1998, making it 27 years old in 2025.

What condition is LA0562 over Bayou Macon in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does LA0562 over Bayou Macon carry?

About 240 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is LA0562 over Bayou Macon?

The structure is 420 ft (128 m) long with a longest span of 70 ft (21.3 m) and a deck 32 ft wide.

Who owns LA0562 over Bayou Macon?

It is owned by the State Highway Agency.