US Bridges

LA0001 over I-49

Good

Rapides Parish, Louisiana · 0.6 MI South LA 1200 · Structure no. 084000530113491

Built
1989
36 years old, rebuilt 2016
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
600 ft
6 main spans
Daily traffic
3,036
2021 count
Owner
State
State Highway Agency

About this bridge

LA0001 over I-49 is a steel continuous stringer/multi-beam or girder carrying LA0001 over I-49 in Rapides Parish, Louisiana. It was built in 1989 and reconstructed in 2016, 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 3,036 vehicles a day, roughly 14% of them trucks, projected to reach 3,339 by 2041. The structure is 600 ft (182.9 m) long and 47 ft wide.

CarriesLA0001
CrossesI-49
Location0.6 MI South LA 1200
RouteState Highway 1
Coordinates31.37947, -92.65327
Functional classRural Major Collector

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.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating48.9 US tons
Inventory rating37.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length600 ft (182.9 m)
Longest span125 ft (38.1 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,036 (2021)
Projected traffic3,339 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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$1.9 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was LA0001 over I-49 built?

It was built in 1989, making it 36 years old in 2025. It was reconstructed in 2016.

What condition is LA0001 over I-49 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 LA0001 over I-49 carry?

About 3,036 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is LA0001 over I-49?

The structure is 600 ft (182.9 m) long with a longest span of 125 ft (38.1 m) and a deck 47 ft wide.

Who owns LA0001 over I-49?

It is owned by the State Highway Agency.