US Bridges

N Perkins Ferry RD over Little Indian Bayou

Fair

Calcasieu Parish, Louisiana · 3.6 MI N of LA 378 · Structure no. 071000000071013

Built
2021
4 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
120 ft
3 main spans
Daily traffic
3,580
2019 count
Owner
County
County Highway Agency

About this bridge

N Perkins Ferry RD over Little Indian Bayou is a prestressed concrete continuous stringer/multi-beam or girder carrying N Perkins Ferry RD over Little Indian Bayou in Calcasieu Parish, Louisiana. It was built in 2021, so it is 4 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 3,580 vehicles a day, projected to reach 3,938 by 2039. The structure is 120 ft (36.6 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesN Perkins Ferry RD
CrossesLittle Indian Bayou
Location3.6 MI N of LA 378
RouteCounty Highway 0
CountyCalcasieu Parish
StateLouisiana
Coordinates30.35252, -93.23291
Functional classUrban 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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.4 US tons
Inventory rating64.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadGreater than HL 93
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,580 (2019)
Projected traffic3,938 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 N Perkins Ferry RD over Little Indian Bayou built?

It was built in 2021, making it 4 years old in 2025.

What condition is N Perkins Ferry RD over Little Indian 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 January 2024.

How much traffic does N Perkins Ferry RD over Little Indian Bayou carry?

About 3,580 vehicles per day (2019 count).

How long is N Perkins Ferry RD over Little Indian Bayou?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 43 ft wide.

Who owns N Perkins Ferry RD over Little Indian Bayou?

It is owned by the County Highway Agency.