US Bridges

I0049 Frontage RD over Drainage Canal

Fair

St. Landry Parish, Louisiana · 1.2 Miles South of LA 182 · Structure no. 034904550200953

Built
1963
62 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete
Length
80 ft
4 main spans
Daily traffic
3,770
2015 count
Owner
State
State Highway Agency

About this bridge

I0049 Frontage RD over Drainage Canal is a concrete slab carrying I0049 Frontage RD over Drainage Canal in St. Landry Parish, Louisiana. It was built in 1963, so it is 62 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 6 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 3,770 vehicles a day, roughly 24% of them trucks, projected to reach 4,147 by 2035. The structure is 80 ft (24.4 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI0049 Frontage RD
CrossesDrainage Canal
Location1.2 Miles South of LA 182
RouteInterstate 49
Coordinates30.3924, -92.057
Functional classUrban 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating49.1 US tons
Inventory rating30 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span20 ft (6.1 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,770 (2015)
Projected traffic4,147 by 2035
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$412,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I0049 Frontage RD over Drainage Canal built?

It was built in 1963, making it 62 years old in 2025.

What condition is I0049 Frontage RD over Drainage Canal 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 2023.

How much traffic does I0049 Frontage RD over Drainage Canal carry?

About 3,770 vehicles per day (2015 count), of which roughly 24% are trucks.

How long is I0049 Frontage RD over Drainage Canal?

The structure is 80 ft (24.4 m) long with a longest span of 20 ft (6.1 m) and a deck 30 ft wide.

Who owns I0049 Frontage RD over Drainage Canal?

It is owned by the State Highway Agency.