US Bridges

Bell Oil RD over Blue Bayou

Poor

Allen Parish, Louisiana · 1.6 MI West of LA 26 · Structure no. 070230319924131

Built
1974
51 years old
Condition
Poor
inspected August 2023
Type
Slab
Concrete
Length
96 ft
5 main spans
Daily traffic
77
2019 count
Owner
County
County Highway Agency

About this bridge

Bell Oil RD over Blue Bayou is a concrete slab carrying Bell Oil RD over Blue Bayou in Allen 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 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 77 vehicles a day, projected to reach 84 by 2039. The structure is 96 ft (29.3 m) long and 27 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesBell Oil RD
CrossesBlue Bayou
Location1.6 MI West of LA 26
RouteCounty Highway 0
Coordinates30.53262, -92.68836
Functional classRural Local

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.3 US tons
Inventory rating29.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length96 ft (29.3 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.2 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic77 (2019)
Projected traffic84 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Bell Oil RD over Blue Bayou built?

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

What condition is Bell Oil RD over Blue Bayou 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 August 2023.

How much traffic does Bell Oil RD over Blue Bayou carry?

About 77 vehicles per day (2019 count).

How long is Bell Oil RD over Blue Bayou?

The structure is 96 ft (29.3 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns Bell Oil RD over Blue Bayou?

It is owned by the County Highway Agency.