US Bridges

I0049 over LA0010

Poor

St. Landry Parish, Louisiana · 12.8 MI SE of LA 29 · Structure no. 034904550218852

Built
1989
36 years old
Condition
Poor
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
521 ft
4 main spans
Daily traffic
13,540
2021 count
Owner
State
State Highway Agency

About this bridge

I0049 over LA0010 is a steel continuous stringer/multi-beam or girder carrying I0049 over LA0010 in St. Landry 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 13,540 vehicles a day, roughly 22% of them trucks, projected to reach 14,894 by 2041. The structure is 521 ft (158.8 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI0049
CrossesLA0010
Location12.8 MI SE of LA 29
RouteInterstate 49
Coordinates30.64283, -92.0506
Functional classRural Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating35.4 US tons
Inventory rating27.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length521 ft (158.8 m)
Longest span164 ft (50 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,540 (2021)
Projected traffic14,894 by 2041
Trucks22%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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$2.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I0049 over LA0010 built?

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

What condition is I0049 over LA0010 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2023.

How much traffic does I0049 over LA0010 carry?

About 13,540 vehicles per day (2021 count), of which roughly 22% are trucks.

How long is I0049 over LA0010?

The structure is 521 ft (158.8 m) long with a longest span of 164 ft (50 m) and a deck 43 ft wide.

Who owns I0049 over LA0010?

It is owned by the State Highway Agency.