US Bridges

LA0494 over Cane River

Fair

Natchitoches Parish, Louisiana · 1.78 Mi. N of Int LA119 · Structure no. 083508350601781

Built
1974
51 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
280 ft
4 main spans
Daily traffic
18,361
2021 count
Owner
State
State Highway Agency

About this bridge

LA0494 over Cane River is a prestressed concrete stringer/multi-beam or girder carrying LA0494 over Cane River in Natchitoches Parish, Louisiana. It was built in 1974, so it is 51 years old, older 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 18,361 vehicles a day, roughly 14% of them trucks, projected to reach 20,197 by 2041. The structure is 280 ft (85.3 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLA0494
CrossesCane River
Location1.78 Mi. N of Int LA119
RouteState Highway 494
CountyNatchitoches Parish
StateLouisiana
Coordinates31.69876, -93.0208
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating97 US tons
Inventory rating43 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length280 ft (85.3 m)
Longest span70 ft (21.3 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,361 (2021)
Projected traffic20,197 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0494 over Cane River built?

It was built in 1974, making it 51 years old in 2025.

What condition is LA0494 over Cane River 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 April 2024.

How much traffic does LA0494 over Cane River carry?

About 18,361 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is LA0494 over Cane River?

The structure is 280 ft (85.3 m) long with a longest span of 70 ft (21.3 m) and a deck 30 ft wide.

Who owns LA0494 over Cane River?

It is owned by the State Highway Agency.