US Bridges

LA0064 over Comite River

Fair

East Baton Rouge Parish, Louisiana · LA0064 · Structure no. 611702530300731

Built
1978
47 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
402 ft
8 main spans
Daily traffic
16,768
2021 count
Owner
State
State Highway Agency

About this bridge

LA0064 over Comite River is a prestressed concrete stringer/multi-beam or girder carrying LA0064 over Comite River in East Baton Rouge Parish, Louisiana. It was built in 1978, so it is 47 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 16,768 vehicles a day, roughly 7% of them trucks, projected to reach 18,444 by 2041. The structure is 402 ft (122.5 m) long and 43 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesLA0064
CrossesComite River
LocationLA0064
RouteState Highway 64
Coordinates30.64276, -91.09526
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating74 US tons
Inventory rating33 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length402 ft (122.5 m)
Longest span50 ft (15.2 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,768 (2021)
Projected traffic18,444 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 LA0064 over Comite River built?

It was built in 1978, making it 47 years old in 2025.

What condition is LA0064 over Comite River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does LA0064 over Comite River carry?

About 16,768 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is LA0064 over Comite River?

The structure is 402 ft (122.5 m) long with a longest span of 50 ft (15.2 m) and a deck 43 ft wide.

Who owns LA0064 over Comite River?

It is owned by the State Highway Agency.