US Bridges

I0049 over LA 173

Good

Caddo Parish, Louisiana · I-49 over LA173 · Structure no. 040900000040349

Built
2013
12 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
1,020 ft
11 main spans
Daily traffic
6,846
2021 count
Owner
State
State Highway Agency

About this bridge

I0049 over LA 173 is a prestressed concrete continuous stringer/multi-beam or girder carrying I0049 over LA 173 in Caddo Parish, Louisiana. It was built in 2013, so it is 12 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 6,846 vehicles a day, roughly 36% of them trucks, projected to reach 7,530 by 2041. The structure is 1,020 ft (310.9 m) long and 42 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesI0049
CrossesLA 173
LocationI-49 over LA173
RouteInterstate 49
Coordinates32.67608, -93.8509
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionApril 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 alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating40.3 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans11
Design loadHS 20
Structure length1,020 ft (310.9 m)
Longest span95 ft (29 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,846 (2021)
Projected traffic7,530 by 2041
Trucks36%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed16.8 mi (27 km)
TollOn a free road
National Highway SystemYes

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 I0049 over LA 173 built?

It was built in 2013, making it 12 years old in 2025.

What condition is I0049 over LA 173 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 April 2024.

How much traffic does I0049 over LA 173 carry?

About 6,846 vehicles per day (2021 count), of which roughly 36% are trucks.

How long is I0049 over LA 173?

The structure is 1,020 ft (310.9 m) long with a longest span of 95 ft (29 m) and a deck 42 ft wide.

Who owns I0049 over LA 173?

It is owned by the State Highway Agency.