US Bridges

I0010 over E. Lacassine Bayou

Fair

Jefferson Davis Parish, Louisiana · 0.6 MI W of LA 99 · Structure no. 072704500309992

Built
1964
61 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete
Length
180 ft
9 main spans
Daily traffic
11,635
2021 count
Owner
State
State Highway Agency

About this bridge

I0010 over E. Lacassine Bayou is a concrete slab carrying I0010 over E. Lacassine Bayou in Jefferson Davis Parish, Louisiana. It was built in 1964, so it is 61 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 11,635 vehicles a day, roughly 34% of them trucks, projected to reach 12,798 by 2041. The structure is 180 ft (54.9 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI0010
CrossesE. Lacassine Bayou
Location0.6 MI W of LA 99
RouteInterstate 10
CountyJefferson Davis Parish
StateLouisiana
Coordinates30.24686, -92.8294
Functional classRural Principal Arterial - Interstate

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68 US tons
Inventory rating41 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length180 ft (54.9 m)
Longest span20 ft (6.1 m)
Deck width34 ft (10.4 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,635 (2021)
Projected traffic12,798 by 2041
Trucks34%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$819,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I0010 over E. Lacassine Bayou built?

It was built in 1964, making it 61 years old in 2025.

What condition is I0010 over E. Lacassine Bayou 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 December 2024.

How much traffic does I0010 over E. Lacassine Bayou carry?

About 11,635 vehicles per day (2021 count), of which roughly 34% are trucks.

How long is I0010 over E. Lacassine Bayou?

The structure is 180 ft (54.9 m) long with a longest span of 20 ft (6.1 m) and a deck 34 ft wide.

Who owns I0010 over E. Lacassine Bayou?

It is owned by the State Highway Agency.