US Bridges

I0010 over Ryan Street

Fair

Calcasieu Parish, Louisiana · 2.7 MI W of US 171 · Structure no. 071004509130192

Built
1961
64 years old
Condition
Fair
inspected December 2024
Type
Tee Beam
Concrete Continuous
Length
164 ft
3 main spans
Daily traffic
11,437
2021 count
Owner
State
State Highway Agency

About this bridge

I0010 over Ryan Street is a concrete continuous tee beam carrying I0010 over Ryan Street 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 164 ft (50 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI0010
CrossesRyan Street
Location2.7 MI W of US 171
RouteInterstate 10
Coordinates30.23591, -93.21663
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30.8 US tons
Inventory rating21.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length164 ft (50 m)
Longest span68 ft (20.7 m)
Deck width46 ft (14.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,437 (2021)
Projected traffic12,580 by 2041
Trucks25%
Lanes on structure3
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$768,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I0010 over Ryan Street built?

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

What condition is I0010 over Ryan Street 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 December 2024.

How much traffic does I0010 over Ryan Street carry?

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

How long is I0010 over Ryan Street?

The structure is 164 ft (50 m) long with a longest span of 68 ft (20.7 m) and a deck 46 ft wide.

Who owns I0010 over Ryan Street?

It is owned by the State Highway Agency.