US Bridges

I0049 over Barbue Bayou Trib.

Fair

Natchitoches Parish, Louisiana · 2.47 Mi. North of LA 490 · Structure no. 083504550607352

Built
1984
41 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete
Length
160 ft
8 main spans
Daily traffic
28,142
2021 count
Owner
State
State Highway Agency

About this bridge

I0049 over Barbue Bayou Trib. is a concrete slab carrying I0049 over Barbue Bayou Trib. in Natchitoches Parish, Louisiana. It was built in 1984, so it is 41 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 5 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 28,142 vehicles a day, roughly 30% of them trucks, projected to reach 30,956 by 2041. The structure is 160 ft (48.8 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI0049
CrossesBarbue Bayou Trib.
Location2.47 Mi. North of LA 490
RouteInterstate 49
CountyNatchitoches Parish
StateLouisiana
Coordinates31.512, -92.8992
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length160 ft (48.8 m)
Longest span20 ft (6.1 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,142 (2021)
Projected traffic30,956 by 2041
Trucks30%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I0049 over Barbue Bayou Trib. built?

It was built in 1984, making it 41 years old in 2025.

What condition is I0049 over Barbue Bayou Trib. 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 July 2024.

How much traffic does I0049 over Barbue Bayou Trib. carry?

About 28,142 vehicles per day (2021 count), of which roughly 30% are trucks.

How long is I0049 over Barbue Bayou Trib.?

The structure is 160 ft (48.8 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.

Who owns I0049 over Barbue Bayou Trib.?

It is owned by the State Highway Agency.