US Bridges

I0010 over Bayou Jonas

Fair

Acadia Parish, Louisiana · 1.86 MI W of LA 91 · Structure no. 030104500407812

Built
1961
64 years old
Condition
Fair
inspected February 2023
Type
Slab
Concrete
Length
202 ft
10 main spans
Daily traffic
1,471
2021 count
Owner
State
State Highway Agency

About this bridge

I0010 over Bayou Jonas is a concrete slab carrying I0010 over Bayou Jonas in Acadia Parish, Louisiana. It was built in 1961, so it is 64 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 1,471 vehicles a day, roughly 22% of them trucks, projected to reach 1,618 by 2041. The structure is 202 ft (61.6 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI0010
CrossesBayou Jonas
Location1.86 MI W of LA 91
RouteInterstate 10
CountyAcadia Parish
StateLouisiana
Coordinates30.23113, -92.4942
Functional classRural Principal Arterial - Interstate

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length202 ft (61.6 m)
Longest span20 ft (6.1 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,471 (2021)
Projected traffic1,618 by 2041
Trucks22%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$904,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I0010 over Bayou Jonas built?

It was built in 1961, making it 64 years old in 2025.

What condition is I0010 over Bayou Jonas 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 February 2023.

How much traffic does I0010 over Bayou Jonas carry?

About 1,471 vehicles per day (2021 count), of which roughly 22% are trucks.

How long is I0010 over Bayou Jonas?

The structure is 202 ft (61.6 m) long with a longest span of 20 ft (6.1 m) and a deck 33 ft wide.

Who owns I0010 over Bayou Jonas?

It is owned by the State Highway Agency.