US Bridges

I0010 over LA 385

Fair

Calcasieu Parish, Louisiana · 2.9 MI W of US 171 · Structure no. 071004509129982

Built
1961
64 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
574 ft
9 main spans
Daily traffic
11,437
2021 count
Owner
State
State Highway Agency

About this bridge

I0010 over LA 385 is a steel stringer/multi-beam or girder carrying I0010 over LA 385 in Calcasieu 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 5 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 11,437 vehicles a day, roughly 25% of them trucks, projected to reach 12,580 by 2041. The structure is 574 ft (175 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI0010
CrossesLA 385
Location2.9 MI W of US 171
RouteInterstate 10
CountyCalcasieu Parish
StateLouisiana
Coordinates30.23631, -93.21946
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating29.7 US tons
Inventory rating22.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length574 ft (175 m)
Longest span78 ft (23.8 m)
Deck width34 ft (10.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,437 (2021)
Projected traffic12,580 by 2041
Trucks25%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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$2.3 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I0010 over LA 385 built?

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

What condition is I0010 over LA 385 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 August 2024.

How much traffic does I0010 over LA 385 carry?

About 11,437 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is I0010 over LA 385?

The structure is 574 ft (175 m) long with a longest span of 78 ft (23.8 m) and a deck 34 ft wide.

Who owns I0010 over LA 385?

It is owned by the State Highway Agency.