US Bridges

LA0006 over Red River @ Grand Ecore

Poor

Natchitoches Parish, Louisiana · 2.3 Mi. N of JCT 3175 · Structure no. 083500340604021

Built
1959
66 years old, rebuilt 2011
Condition
Poor
inspected May 2023
Type
Girder and Floorbeam System
Steel Continuous
Length
1,879 ft
3 main spans
Daily traffic
15,363
2021 count
Owner
State
State Highway Agency

About this bridge

LA0006 over Red River @ Grand Ecore is a steel continuous girder and floorbeam system carrying LA0006 over Red River @ Grand Ecore in Natchitoches Parish, Louisiana. It was built in 1959 and reconstructed in 2011, so it is 66 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 4 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 15,363 vehicles a day, roughly 15% of them trucks, projected to reach 16,899 by 2041. The structure is 1,879 ft (572.7 m) long and 31 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesLA0006
CrossesRed River @ Grand Ecore
Location2.3 Mi. N of JCT 3175
RouteState Highway 6
Coordinates31.8175, -93.0853
Functional classRural Principal Arterial - Other

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating28.9 US tons
Inventory rating22.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+15 approach)
Design loadHS 20
Structure length1,879 ft (572.7 m)
Longest span375 ft (114.3 m)
Deck width31 ft (9.3 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,363 (2021)
Projected traffic16,899 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was LA0006 over Red River @ Grand Ecore built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2011.

What condition is LA0006 over Red River @ Grand Ecore 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 2023.

How much traffic does LA0006 over Red River @ Grand Ecore carry?

About 15,363 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is LA0006 over Red River @ Grand Ecore?

The structure is 1,879 ft (572.7 m) long with a longest span of 375 ft (114.3 m) and a deck 31 ft wide.

Who owns LA0006 over Red River @ Grand Ecore?

It is owned by the State Highway Agency.