US Bridges

I0049 over Diversion Canal

Good

Rapides Parish, Louisiana · 1.4M N Int I-49 & US 167 · Structure no. 084004550507312

Built
1989
36 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete
Length
180 ft
9 main spans
Daily traffic
11,969
2021 count
Owner
State
State Highway Agency

About this bridge

I0049 over Diversion Canal is a concrete slab carrying I0049 over Diversion Canal in Rapides Parish, Louisiana. It was built in 1989, so it is 36 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 11,969 vehicles a day, roughly 30% of them trucks, projected to reach 13,165 by 2041. The structure is 180 ft (54.9 m) long and 43 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesI0049
CrossesDiversion Canal
Location1.4M N Int I-49 & US 167
RouteInterstate 49
Coordinates31.0199, -92.3891
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
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating73 US tons
Inventory rating44 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 width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,969 (2021)
Projected traffic13,165 by 2041
Trucks30%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Diversion Canal built?

It was built in 1989, making it 36 years old in 2025.

What condition is I0049 over Diversion 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 Diversion Canal carry?

About 11,969 vehicles per day (2021 count), of which roughly 30% are trucks.

How long is I0049 over Diversion Canal?

The structure is 180 ft (54.9 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.

Who owns I0049 over Diversion Canal?

It is owned by the State Highway Agency.