US Bridges

Mayo Road over Trib. to Boggy Bayou

Good

Caddo Parish, Louisiana · 2.4 MI SE of LA 526 · Structure no. 040900000040911

Built
2021
4 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete
Length
60 ft
3 main spans
Daily traffic
39
2019 count
Owner
County
County Highway Agency

About this bridge

Mayo Road over Trib. to Boggy Bayou is a concrete slab carrying Mayo Road over Trib. to 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 39 vehicles a day, projected to reach 42 by 2039. The structure is 60 ft (18.3 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMayo Road
CrossesTrib. to Boggy Bayou
Location2.4 MI SE of LA 526
RouteCounty Highway 0
CountyCaddo Parish
StateLouisiana
Coordinates32.37659, -93.74821
Functional classUrban 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 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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating48.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadGreater than HL 93
Structure length60 ft (18.3 m)
Longest span20 ft (6.1 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39 (2019)
Projected traffic42 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed1.9 mi (3 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 Mayo Road over Trib. to Boggy Bayou built?

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

What condition is Mayo Road over Trib. to 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 Mayo Road over Trib. to Boggy Bayou carry?

About 39 vehicles per day (2019 count).

How long is Mayo Road over Trib. to Boggy Bayou?

The structure is 60 ft (18.3 m) long with a longest span of 20 ft (6.1 m) and a deck 30 ft wide.

Who owns Mayo Road over Trib. to Boggy Bayou?

It is owned by the County Highway Agency.