US Bridges

I0010 over Sabine Relief

Poor

Calcasieu Parish, Louisiana · 2.1 MI West of LA 109 · Structure no. 071004509101761

Built
1954
71 years old
Condition
Poor
inspected December 2024
Type
Tee Beam
Concrete
Length
722 ft
18 main spans
Daily traffic
86,969
2021 count
Owner
State
State Highway Agency

About this bridge

I0010 over Sabine Relief is a concrete tee beam carrying I0010 over Sabine Relief in Calcasieu Parish, Louisiana. It was built in 1954, so it is 71 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 4 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. Its operating status is: open, temporary structure in place while original is closed.

It carries about 86,969 vehicles a day, roughly 34% of them trucks, projected to reach 95,665 by 2041. The structure is 722 ft (220.1 m) long and 68 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI0010
CrossesSabine Relief
Location2.1 MI West of LA 109
RouteInterstate 10
Coordinates30.14068, -93.6705
Functional classRural 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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, temporary structure in place while original is closed
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans18
Design loadHS 20
Structure length722 ft (220.1 m)
Longest span40 ft (12.2 m)
Deck width68 ft (20.8 m)
Roadway width63 ft (19.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic86,969 (2021)
Projected traffic95,665 by 2041
Trucks34%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I0010 over Sabine Relief built?

It was built in 1954, making it 71 years old in 2025.

What condition is I0010 over Sabine Relief 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 Sabine Relief carry?

About 86,969 vehicles per day (2021 count), of which roughly 34% are trucks.

How long is I0010 over Sabine Relief?

The structure is 722 ft (220.1 m) long with a longest span of 40 ft (12.2 m) and a deck 68 ft wide.

Who owns I0010 over Sabine Relief?

It is owned by the State Highway Agency.