US Bridges

I0210 over Prien Lake

Fair

Calcasieu Parish, Louisiana · 1.4 MI South of I-10 · Structure no. 071004503001411

Built
1964
61 years old
Condition
Fair
inspected April 2023
Type
Girder and Floorbeam System
Steel
Length
8,500 ft
6 main spans
Daily traffic
58,320
2021 count
Owner
State
State Highway Agency

About this bridge

I0210 over Prien Lake is a steel girder and floorbeam system carrying I0210 over Prien Lake in Calcasieu Parish, Louisiana. It was built in 1964, so it is 61 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 58,320 vehicles a day, roughly 25% of them trucks, projected to reach 64,152 by 2041. The structure is 8,500 ft (2,590.8 m) long and 66 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesI0210
CrossesPrien Lake
Location1.4 MI South of I-10
RouteInterstate 210
CountyCalcasieu Parish
StateLouisiana
Coordinates30.21304, -93.2901
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating26.1 US tons
Inventory rating20 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans6 (+78 approach)
Design loadHS 20
Structure length8,500 ft (2,590.8 m)
Longest span450 ft (137.2 m)
Deck width66 ft (20.1 m)
Roadway width56 ft (17.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic58,320 (2021)
Projected traffic64,152 by 2041
Trucks25%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed3.7 mi (6 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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was I0210 over Prien Lake built?

It was built in 1964, making it 61 years old in 2025.

What condition is I0210 over Prien Lake 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 2023.

How much traffic does I0210 over Prien Lake carry?

About 58,320 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is I0210 over Prien Lake?

The structure is 8,500 ft (2,590.8 m) long with a longest span of 450 ft (137.2 m) and a deck 66 ft wide.

Who owns I0210 over Prien Lake?

It is owned by the State Highway Agency.