US Bridges

Powell RD over Blue Bayou

Fair

Allen Parish, Louisiana · 0.9 Mi. S. of Cc Bell RD · Structure no. 070230307924241

Built
2001
24 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete
Length
119 ft
6 main spans
Daily traffic
446
2019 count
Owner
County
County Highway Agency

About this bridge

Powell RD over Blue Bayou is a concrete slab carrying Powell RD over Blue Bayou in Allen Parish, Louisiana. It was built in 2001, so it is 24 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 6 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 446 vehicles a day, projected to reach 490 by 2039. The structure is 119 ft (36.3 m) long and 27 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

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CarriesPowell RD
CrossesBlue Bayou
Location0.9 Mi. S. of Cc Bell RD
RouteCounty Highway 0
CountyAllen Parish
StateLouisiana
Coordinates30.51278, -92.70809
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating34 US tons
Inventory rating26.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length119 ft (36.3 m)
Longest span20 ft (6.1 m)
Deck width27 ft (8.2 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic446 (2019)
Projected traffic490 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 Powell RD over Blue Bayou built?

It was built in 2001, making it 24 years old in 2025.

What condition is Powell RD 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 October 2023.

How much traffic does Powell RD over Blue Bayou carry?

About 446 vehicles per day (2019 count).

How long is Powell RD over Blue Bayou?

The structure is 119 ft (36.3 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns Powell RD over Blue Bayou?

It is owned by the County Highway Agency.