US Bridges

LA0026 over Blue Bayou

Fair

Allen Parish, Louisiana · 1.2 MI E of US165 · Structure no. 070200540101241

Built
1958
67 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
40 ft
3 main spans
Daily traffic
2,322
2023 count
Owner
State
State Highway Agency

About this bridge

LA0026 over Blue Bayou is a concrete culvert carrying LA0026 over Blue Bayou in Allen Parish, Louisiana. It was built in 1958, so it is 67 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 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 2,322 vehicles a day, roughly 18% of them trucks, projected to reach 2,554 by 2043. The structure is 40 ft (12.2 m) long and 38 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

Location

Open in Google Maps
CarriesLA0026
CrossesBlue Bayou
Location1.2 MI E of US165
RouteState Highway 26
CountyAllen Parish
StateLouisiana
Coordinates30.61261, -92.74504
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length40 ft (12.2 m)
Longest span12 ft (3.7 m)
Deck width38 ft (11.6 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,322 (2023)
Projected traffic2,554 by 2043
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 LA0026 over Blue Bayou built?

It was built in 1958, making it 67 years old in 2025.

What condition is LA0026 over Blue Bayou 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 LA0026 over Blue Bayou carry?

About 2,322 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is LA0026 over Blue Bayou?

The structure is 40 ft (12.2 m) long with a longest span of 12 ft (3.7 m) and a deck 38 ft wide.

Who owns LA0026 over Blue Bayou?

It is owned by the State Highway Agency.