US Bridges

Linwood Avenue over Boggy Bayou

Good

Caddo Parish, Louisiana · 3.0 MI S of LA 526 · Structure no. 040900000040913

Built
2021
4 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete
Length
260 ft
13 main spans
Daily traffic
4,925
2020 count
Owner
County
County Highway Agency

About this bridge

Linwood Avenue over Boggy Bayou is a concrete slab carrying Linwood Avenue over Boggy Bayou in Caddo 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 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 4,925 vehicles a day, projected to reach 5,417 by 2040. The structure is 260 ft (79.2 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLinwood Avenue
CrossesBoggy Bayou
Location3.0 MI S of LA 526
RouteCounty Highway 0
CountyCaddo Parish
StateLouisiana
Coordinates32.3559, -93.76635
Functional classUrban Minor Arterial

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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61.8 US tons
Inventory rating47.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans13
Design loadGreater than HL 93
Structure length260 ft (79.2 m)
Longest span20 ft (6.1 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,925 (2020)
Projected traffic5,417 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 Linwood Avenue over Boggy Bayou built?

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

What condition is Linwood Avenue over Boggy 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 March 2023.

How much traffic does Linwood Avenue over Boggy Bayou carry?

About 4,925 vehicles per day (2020 count).

How long is Linwood Avenue over Boggy Bayou?

The structure is 260 ft (79.2 m) long with a longest span of 20 ft (6.1 m) and a deck 31 ft wide.

Who owns Linwood Avenue over Boggy Bayou?

It is owned by the County Highway Agency.