US Bridges

I0049 over Myra-Myrtis RD

Good

Caddo Parish, Louisiana · I-49 over Myra-Myrtis RD · Structure no. 040900000040388

Built
2014
11 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
611 ft
2 main spans
Daily traffic
6,846
2021 count
Owner
State
State Highway Agency

About this bridge

I0049 over Myra-Myrtis RD is a prestressed concrete stringer/multi-beam or girder carrying I0049 over Myra-Myrtis RD in Caddo Parish, Louisiana. It was built in 2014, so it is 11 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 611 ft (186.2 m) long and 43 ft wide.

CarriesI0049
CrossesMyra-Myrtis RD
LocationI-49 over Myra-Myrtis RD
RouteInterstate 49
Coordinates32.94395, -93.89809
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating27.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+4 approach)
Design loadHL 93
Structure length611 ft (186.2 m)
Longest span124 ft (37.8 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.1 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
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Myra-Myrtis RD built?

It was built in 2014, making it 11 years old in 2025.

What condition is I0049 over Myra-Myrtis RD 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 May 2024.

How much traffic does I0049 over Myra-Myrtis RD carry?

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

How long is I0049 over Myra-Myrtis RD?

The structure is 611 ft (186.2 m) long with a longest span of 124 ft (37.8 m) and a deck 43 ft wide.

Who owns I0049 over Myra-Myrtis RD?

It is owned by the State Highway Agency.