US Bridges

I0049 over Drainage Canal

Good

Rapides Parish, Louisiana · 0.94 MI North of LA 181 · Structure no. 084004550502951

Built
1985
40 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete
Length
140 ft
7 main spans
Daily traffic
20,572
2021 count
Owner
State
State Highway Agency

About this bridge

I0049 over Drainage Canal is a concrete slab carrying I0049 over Drainage Canal in Rapides Parish, Louisiana. It was built in 1985, so it is 40 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 20,572 vehicles a day, roughly 30% of them trucks, projected to reach 22,629 by 2041. The structure is 140 ft (42.7 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI0049
CrossesDrainage Canal
Location0.94 MI North of LA 181
RouteInterstate 49
Coordinates30.99346, -92.3222
Functional classRural Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87 US tons
Inventory rating52 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length140 ft (42.7 m)
Longest span20 ft (6.1 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,572 (2021)
Projected traffic22,629 by 2041
Trucks30%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I0049 over Drainage Canal built?

It was built in 1985, making it 40 years old in 2025.

What condition is I0049 over Drainage Canal 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 September 2024.

How much traffic does I0049 over Drainage Canal carry?

About 20,572 vehicles per day (2021 count), of which roughly 30% are trucks.

How long is I0049 over Drainage Canal?

The structure is 140 ft (42.7 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.

Who owns I0049 over Drainage Canal?

It is owned by the State Highway Agency.