US Bridges

LA0008 over Red River LA 1 UP RR

Fair

Grant Parish, Louisiana · LA 8 over Red River and L · Structure no. 082201510200001

Built
1984
41 years old
Condition
Fair
inspected May 2023
Type
Segmental Box Girder
Concrete Continuous
Length
3,067 ft
6 main spans
Daily traffic
2,091
2021 count
Owner
State
State Highway Agency

About this bridge

LA0008 over Red River LA 1 UP RR is a concrete continuous segmental box girder carrying LA0008 over Red River LA 1 UP RR in Grant 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 2,091 vehicles a day, roughly 14% of them trucks, projected to reach 2,300 by 2041. The structure is 3,067 ft (934.8 m) long and 43 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

Location

Open in Google Maps
CarriesLA0008
CrossesRed River LA 1 UP RR
LocationLA 8 over Red River and L
RouteState Highway 8
CountyGrant Parish
StateLouisiana
Coordinates31.38442, -92.66453
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
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating58 US tons
Inventory rating36 US tons

Structure

Structure typeSegmental Box Girder
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6 (+18 approach)
Design loadHS 20
Structure length3,067 ft (934.8 m)
Longest span370 ft (112.8 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,091 (2021)
Projected traffic2,300 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed49.7 mi (80 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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was LA0008 over Red River LA 1 UP RR built?

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

What condition is LA0008 over Red River LA 1 UP RR 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 May 2023.

How much traffic does LA0008 over Red River LA 1 UP RR carry?

About 2,091 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is LA0008 over Red River LA 1 UP RR?

The structure is 3,067 ft (934.8 m) long with a longest span of 370 ft (112.8 m) and a deck 43 ft wide.

Who owns LA0008 over Red River LA 1 UP RR?

It is owned by the State Highway Agency.