US Bridges

LA0001 over Cane River

Poor

Natchitoches Parish, Louisiana · .05 Mi. N of S Int LA495 · Structure no. 083500530308111

Built
1948
77 years old
Condition
Poor
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
452 ft
9 main spans
Daily traffic
996
2021 count
Owner
State
State Highway Agency

About this bridge

LA0001 over Cane River is a steel stringer/multi-beam or girder carrying LA0001 over Cane River in Natchitoches Parish, Louisiana. It was built in 1948, so it is 77 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 996 vehicles a day, roughly 14% of them trucks, projected to reach 1,095 by 2041. The structure is 452 ft (137.8 m) long and 35 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesLA0001
CrossesCane River
Location.05 Mi. N of S Int LA495
RouteState Highway 1
Coordinates31.5305, -92.8897
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.4 US tons
Inventory rating21.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length452 ft (137.8 m)
Longest span50 ft (15.2 m)
Deck width35 ft (10.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic996 (2021)
Projected traffic1,095 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.9 million
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0001 over Cane River built?

It was built in 1948, making it 77 years old in 2025.

What condition is LA0001 over Cane River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does LA0001 over Cane River carry?

About 996 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is LA0001 over Cane River?

The structure is 452 ft (137.8 m) long with a longest span of 50 ft (15.2 m) and a deck 35 ft wide.

Who owns LA0001 over Cane River?

It is owned by the State Highway Agency.