US Bridges

Kirkman ST over Drainage Canal

Fair

Calcasieu Parish, Louisiana · 0.1 Mi. N. of 9th ST · Structure no. 071030131931261

Built
1928
97 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
6,422
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Kirkman ST over Drainage Canal is a concrete culvert carrying Kirkman ST over Drainage Canal in Calcasieu Parish, Louisiana. It was built in 1928, so it is 97 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 6,422 vehicles a day, projected to reach 7,064 by 2039. The structure is 27 ft (8.2 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesKirkman ST
CrossesDrainage Canal
Location0.1 Mi. N. of 9th ST
RouteCounty Highway 0
CountyCalcasieu Parish
StateLouisiana
Coordinates30.2184, -93.20984
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 alignment7: Better than present minimum criteria
Operating rating37.1 US tons
Inventory rating28.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span27 ft (8.2 m)
Deck width34 ft (10.5 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,422 (2019)
Projected traffic7,064 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Kirkman ST over Drainage Canal built?

It was built in 1928, making it 97 years old in 2025.

What condition is Kirkman ST over Drainage Canal 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 2023.

How much traffic does Kirkman ST over Drainage Canal carry?

About 6,422 vehicles per day (2019 count).

How long is Kirkman ST over Drainage Canal?

The structure is 27 ft (8.2 m) long with a longest span of 27 ft (8.2 m) and a deck 34 ft wide.

Who owns Kirkman ST over Drainage Canal?

It is owned by the City or Municipal Highway Agency.