US Bridges

Barnett Cut-Off RD over Bayou Baton Rouge

Good

East Baton Rouge Parish, Louisiana · 0.5 MI S of LA 64 · Structure no. 611700000611710

Built
2019
6 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete
Length
72 ft
3 main spans
Daily traffic
310
2020 count
Owner
County
County Highway Agency

About this bridge

Barnett Cut-Off RD over Bayou Baton Rouge is a concrete slab carrying Barnett Cut-Off RD over Bayou Baton Rouge 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 310 vehicles a day, projected to reach 341 by 2040. The structure is 72 ft (21.9 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBarnett Cut-Off RD
CrossesBayou Baton Rouge
Location0.5 MI S of LA 64
RouteCounty Highway 0
Coordinates30.64191, -91.2264
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadGreater than HL 93
Structure length72 ft (21.9 m)
Longest span24 ft (7.3 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic310 (2020)
Projected traffic341 by 2040
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 Barnett Cut-Off RD over Bayou Baton Rouge built?

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

What condition is Barnett Cut-Off RD over Bayou Baton Rouge 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 September 2023.

How much traffic does Barnett Cut-Off RD over Bayou Baton Rouge carry?

About 310 vehicles per day (2020 count).

How long is Barnett Cut-Off RD over Bayou Baton Rouge?

The structure is 72 ft (21.9 m) long with a longest span of 24 ft (7.3 m) and a deck 32 ft wide.

Who owns Barnett Cut-Off RD over Bayou Baton Rouge?

It is owned by the County Highway Agency.