US Bridges

LA0010 over Calcasieu River

Fair

Allen Parish, Louisiana · 0.8 MI E of LA3205 · Structure no. 070200660409411

Built
1982
43 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
1,262 ft
18 main spans
Daily traffic
4,806
2021 count
Owner
State
State Highway Agency

About this bridge

LA0010 over Calcasieu River is a prestressed concrete continuous stringer/multi-beam or girder carrying LA0010 over Calcasieu River in Allen Parish, Louisiana. It was built in 1982, so it is 43 years old, younger 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 4,806 vehicles a day, roughly 18% of them trucks, projected to reach 5,286 by 2041. The structure is 1,262 ft (384.7 m) long and 43 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

CarriesLA0010
CrossesCalcasieu River
Location0.8 MI E of LA3205
RouteState Highway 10
Coordinates30.82333, -92.68663
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to 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 rating75 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans18
Design loadHS 20
Structure length1,262 ft (384.7 m)
Longest span70 ft (21.3 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,806 (2021)
Projected traffic5,286 by 2041
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 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 LA0010 over Calcasieu River built?

It was built in 1982, making it 43 years old in 2025.

What condition is LA0010 over Calcasieu 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 April 2024.

How much traffic does LA0010 over Calcasieu River carry?

About 4,806 vehicles per day (2021 count), of which roughly 18% are trucks.

How long is LA0010 over Calcasieu River?

The structure is 1,262 ft (384.7 m) long with a longest span of 70 ft (21.3 m) and a deck 43 ft wide.

Who owns LA0010 over Calcasieu River?

It is owned by the State Highway Agency.