US Bridges

LA0091 over Richards Gully

Fair

Acadia Parish, Louisiana · 2.5 Miles North of LA 368 · Structure no. 030108011102471

Built
1961
64 years old
Condition
Fair
inspected February 2023
Type
Slab
Concrete
Length
60 ft
3 main spans
Daily traffic
1,617
2021 count
Owner
State
State Highway Agency

About this bridge

LA0091 over Richards Gully is a concrete slab carrying LA0091 over Richards Gully in Acadia Parish, Louisiana. It was built in 1961, so it is 64 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 1,617 vehicles a day, roughly 13% of them trucks, projected to reach 1,778 by 2041. The structure is 60 ft (18.3 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLA0091
CrossesRichards Gully
Location2.5 Miles North of LA 368
RouteState Highway 91
CountyAcadia Parish
StateLouisiana
Coordinates30.45917, -92.4657
Functional classRural Major 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating43 US tons
Inventory rating26 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span20 ft (6.1 m)
Deck width30 ft (9 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,617 (2021)
Projected traffic1,778 by 2041
Trucks13%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0091 over Richards Gully built?

It was built in 1961, making it 64 years old in 2025.

What condition is LA0091 over Richards Gully 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 February 2023.

How much traffic does LA0091 over Richards Gully carry?

About 1,617 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is LA0091 over Richards Gully?

The structure is 60 ft (18.3 m) long with a longest span of 20 ft (6.1 m) and a deck 30 ft wide.

Who owns LA0091 over Richards Gully?

It is owned by the State Highway Agency.