US Bridges

I0010 over Calcasieu River RR Sts

Poor

Calcasieu Parish, Louisiana · 2.3 MI E of I-210 · Structure no. 071004509127691

Built
1952
73 years old
Condition
Poor
inspected December 2024
Type
Truss - Thru
Steel Continuous
Length
6,617 ft
7 main spans
Daily traffic
86,600
2018 count
Owner
State
State Highway Agency

About this bridge

I0010 over Calcasieu River RR Sts is a steel continuous truss - thru carrying I0010 over Calcasieu River RR Sts in Calcasieu Parish, Louisiana. It was built in 1952, so it is 73 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 86,600 vehicles a day, roughly 25% of them trucks, projected to reach 95,260 by 2038. The structure is 6,617 ft (2,016.9 m) long and 69 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

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CarriesI0010
CrossesCalcasieu River RR Sts
Location2.3 MI E of I-210
RouteInterstate 10
CountyCalcasieu Parish
StateLouisiana
Coordinates30.23698, -93.2583
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating32.8 US tons
Inventory rating25.4 US tons

Structure

Structure typeTruss - Thru
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7 (+90 approach)
Design loadHS 20
Structure length6,617 ft (2,016.9 m)
Longest span420 ft (128 m)
Deck width69 ft (20.9 m)
Roadway width52 ft (16 m)
Vertical clearance over deck15 ft (4.6 m)

Traffic and service

Average daily traffic86,600 (2018)
Projected traffic95,260 by 2038
Trucks25%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed18 mi (29 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 statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$33.8 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was I0010 over Calcasieu River RR Sts built?

It was built in 1952, making it 73 years old in 2025.

What condition is I0010 over Calcasieu River RR Sts in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2024.

How much traffic does I0010 over Calcasieu River RR Sts carry?

About 86,600 vehicles per day (2018 count), of which roughly 25% are trucks.

How long is I0010 over Calcasieu River RR Sts?

The structure is 6,617 ft (2,016.9 m) long with a longest span of 420 ft (128 m) and a deck 69 ft wide.

Who owns I0010 over Calcasieu River RR Sts?

It is owned by the State Highway Agency.