US Bridges

North Flannery RD over Lively Bayou

Good

East Baton Rouge Parish, Louisiana · 0.6 MI N of US 190 · Structure no. 611700000000153

Built
2019
6 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
80 ft
1 main span
Daily traffic
11,488
2022 count
Owner
County
County Highway Agency

About this bridge

North Flannery RD over Lively Bayou is a concrete stringer/multi-beam or girder carrying North Flannery RD over Lively Bayou in East Baton Rouge Parish, Louisiana. It was built in 2019, so it is 6 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 11,488 vehicles a day, projected to reach 12,636 by 2042. The structure is 80 ft (24.4 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNorth Flannery RD
CrossesLively Bayou
Location0.6 MI N of US 190
RouteCounty Highway 0
Coordinates30.47059, -91.03463
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.6 US tons
Inventory rating46.4 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadGreater than HL 93
Structure length80 ft (24.4 m)
Longest span40 ft (12.2 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,488 (2022)
Projected traffic12,636 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 North Flannery RD over Lively Bayou built?

It was built in 2019, making it 6 years old in 2025.

What condition is North Flannery RD over Lively 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 May 2023.

How much traffic does North Flannery RD over Lively Bayou carry?

About 11,488 vehicles per day (2022 count).

How long is North Flannery RD over Lively Bayou?

The structure is 80 ft (24.4 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.

Who owns North Flannery RD over Lively Bayou?

It is owned by the County Highway Agency.