US Bridges

Manchester RD over Farmers L & C Co. Canal

Fair

Calcasieu Parish, Louisiana · 3.1 MI N of LA 14 · Structure no. 071030122930581

Built
1983
42 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete
Length
38 ft
2 main spans
Daily traffic
276
2022 count
Owner
County
County Highway Agency

About this bridge

Manchester RD over Farmers L & C Co. Canal is a concrete slab carrying Manchester RD over Farmers L & C Co. Canal in Calcasieu Parish, Louisiana. It was built in 1983, so it is 42 years old, younger 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 276 vehicles a day, projected to reach 303 by 2042. The structure is 38 ft (11.6 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesManchester RD
CrossesFarmers L & C Co. Canal
Location3.1 MI N of LA 14
RouteCounty Highway 0
Coordinates30.20291, -93.09699
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
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating42.9 US tons
Inventory rating33.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic276 (2022)
Projected traffic303 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Manchester RD over Farmers L & C Co. Canal built?

It was built in 1983, making it 42 years old in 2025.

What condition is Manchester RD over Farmers L & C Co. 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 November 2023.

How much traffic does Manchester RD over Farmers L & C Co. Canal carry?

About 276 vehicles per day (2022 count).

How long is Manchester RD over Farmers L & C Co. Canal?

The structure is 38 ft (11.6 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns Manchester RD over Farmers L & C Co. Canal?

It is owned by the County Highway Agency.