US Bridges

LA3015 over Bayou Grand Cane

Fair

De Soto Parish, Louisiana · 7.7 MI East of LA 5 · Structure no. 041602980207701

Built
1977
48 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete
Length
95 ft
5 main spans
Daily traffic
581
2021 count
Owner
State
State Highway Agency

About this bridge

LA3015 over Bayou Grand Cane is a concrete slab carrying LA3015 over Bayou Grand Cane in De Soto Parish, Louisiana. It was built in 1977, so it is 48 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 5 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 581 vehicles a day, roughly 25% of them trucks, projected to reach 639 by 2041. The structure is 95 ft (29 m) long and 31 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesLA3015
CrossesBayou Grand Cane
Location7.7 MI East of LA 5
RouteState Highway 3015
CountyDe Soto Parish
StateLouisiana
Coordinates32.08608, -93.8287
Functional classRural Minor 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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating69 US tons
Inventory rating41 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length95 ft (29 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic581 (2021)
Projected traffic639 by 2041
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 LA3015 over Bayou Grand Cane built?

It was built in 1977, making it 48 years old in 2025.

What condition is LA3015 over Bayou Grand Cane 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 May 2024.

How much traffic does LA3015 over Bayou Grand Cane carry?

About 581 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is LA3015 over Bayou Grand Cane?

The structure is 95 ft (29 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns LA3015 over Bayou Grand Cane?

It is owned by the State Highway Agency.