US Bridges

LA0168 over I-49

Fair

Caddo Parish, Louisiana · 1.11 Miles W. of US 71 · Structure no. 040900000040274

Built
2010
15 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
400 ft
4 main spans
Daily traffic
625
2021 count
Owner
State
State Highway Agency

About this bridge

LA0168 over I-49 is a prestressed concrete continuous stringer/multi-beam or girder carrying LA0168 over I-49 in Caddo Parish, Louisiana. It was built in 2010, so it is 15 years old, younger 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 625 vehicles a day, roughly 19% of them trucks, projected to reach 687 by 2041. The structure is 400 ft (121.9 m) long and 81 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesLA0168
CrossesI-49
Location1.11 Miles W. of US 71
RouteState Highway 168
Coordinates32.99722, -93.91
Functional classRural Major 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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61.1 US tons
Inventory rating31.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length400 ft (121.9 m)
Longest span100 ft (30.5 m)
Deck width81 ft (24.6 m)
Roadway width77 ft (23.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic625 (2021)
Projected traffic687 by 2041
Trucks19%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed29.8 mi (48 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was LA0168 over I-49 built?

It was built in 2010, making it 15 years old in 2025.

What condition is LA0168 over I-49 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 March 2024.

How much traffic does LA0168 over I-49 carry?

About 625 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is LA0168 over I-49?

The structure is 400 ft (121.9 m) long with a longest span of 100 ft (30.5 m) and a deck 81 ft wide.

Who owns LA0168 over I-49?

It is owned by the State Highway Agency.