US Bridges

LA 964 over Comite River Diversion

Good

East Baton Rouge Parish, Louisiana · 5.2 Mi. S of LA 64 · Structure no. 611700000611700

Built
2024
1 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
316 ft
5 main spans
Daily traffic
12,575
2020 count
Owner
State
State Highway Agency

About this bridge

LA 964 over Comite River Diversion is a concrete stringer/multi-beam or girder carrying LA 964 over Comite River Diversion in East Baton Rouge Parish, Louisiana. It was built in 2024, so it is 1 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 12,575 vehicles a day, roughly 7% of them trucks, projected to reach 13,832 by 2040. The structure is 316 ft (96.3 m) long and 46 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLA 964
CrossesComite River Diversion
Location5.2 Mi. S of LA 64
RouteState Highway 964
Coordinates30.62217, -91.20058
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating53.9 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadGreater than HL 93
Structure length316 ft (96.3 m)
Longest span63 ft (19.2 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,575 (2020)
Projected traffic13,832 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 LA 964 over Comite River Diversion built?

It was built in 2024, making it 1 years old in 2025.

What condition is LA 964 over Comite River Diversion 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 November 2024.

How much traffic does LA 964 over Comite River Diversion carry?

About 12,575 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is LA 964 over Comite River Diversion?

The structure is 316 ft (96.3 m) long with a longest span of 63 ft (19.2 m) and a deck 46 ft wide.

Who owns LA 964 over Comite River Diversion?

It is owned by the State Highway Agency.