US Bridges

I0049 over Rambin Bayou

Fair

De Soto Parish, Louisiana · 0.3 Miles North of LA 175 · Structure no. 041604550727114

Built
2006
19 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete
Length
115 ft
6 main spans
Daily traffic
1,490
2016 count
Owner
State
State Highway Agency

About this bridge

I0049 over Rambin Bayou is a concrete slab carrying I0049 over Rambin Bayou in De Soto Parish, Louisiana. It was built in 2006, so it is 19 years old, younger 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 1,490 vehicles a day, roughly 19% of them trucks, projected to reach 1,639 by 2036. The structure is 115 ft (35.1 m) long and 19 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI0049
CrossesRambin Bayou
Location0.3 Miles North of LA 175
RouteInterstate 49
Coordinates32.22, -93.70982
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionJune 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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating32.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans6
Design loadHS 20
Structure length115 ft (35.1 m)
Longest span19 ft (5.8 m)
Deck width19 ft (5.8 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,490 (2016)
Projected traffic1,639 by 2036
Trucks19%
Lanes on structure2
Traffic directionTwo-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$561,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I0049 over Rambin Bayou built?

It was built in 2006, making it 19 years old in 2025.

What condition is I0049 over Rambin 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 June 2024.

How much traffic does I0049 over Rambin Bayou carry?

About 1,490 vehicles per day (2016 count), of which roughly 19% are trucks.

How long is I0049 over Rambin Bayou?

The structure is 115 ft (35.1 m) long with a longest span of 19 ft (5.8 m) and a deck 19 ft wide.

Who owns I0049 over Rambin Bayou?

It is owned by the State Highway Agency.