US Bridges

Perrin St. over Little Cypress Bayou

Good

Bossier Parish, Louisiana · 0.4 Mi. S of LA 2 · Structure no. 040800000040824

Built
2023
2 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
32 ft
2 main spans
Daily traffic
420
2020 count
Owner
County
County Highway Agency

About this bridge

Perrin St. over Little Cypress Bayou is a wood or timber stringer/multi-beam or girder carrying Perrin St. over Little Cypress Bayou in Bossier Parish, Louisiana. It was built in 2023, so it is 2 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 420 vehicles a day, projected to reach 462 by 2040. The structure is 32 ft (9.8 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPerrin St.
CrossesLittle Cypress Bayou
Location0.4 Mi. S of LA 2
RouteCounty Highway 0
Coordinates32.90118, -93.69868
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 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 alignment8: Equal to present desirable criteria
Operating rating38.7 US tons
Inventory rating28.7 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadH 10
Structure length32 ft (9.8 m)
Longest span16 ft (4.9 m)
Deck width26 ft (8 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic420 (2020)
Projected traffic462 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Perrin St. over Little Cypress Bayou built?

It was built in 2023, making it 2 years old in 2025.

What condition is Perrin St. over Little Cypress Bayou in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does Perrin St. over Little Cypress Bayou carry?

About 420 vehicles per day (2020 count).

How long is Perrin St. over Little Cypress Bayou?

The structure is 32 ft (9.8 m) long with a longest span of 16 ft (4.9 m) and a deck 26 ft wide.

Who owns Perrin St. over Little Cypress Bayou?

It is owned by the County Highway Agency.