US Bridges

Cypremort Rd. over Kelly Canal

FairPosted for load

St. Mary Parish, Louisiana · 1.5 MI SE of LA 318 · Structure no. 035129506913771

Built
1958
67 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete
Length
39 ft
2 main spans
Daily traffic
210
2022 count
Owner
County
County Highway Agency

About this bridge

Cypremort Rd. over Kelly Canal is a concrete slab carrying Cypremort Rd. over Kelly Canal in St. Mary Parish, Louisiana. It was built in 1958, so it is 67 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 210 vehicles a day, projected to reach 231 by 2042. The structure is 39 ft (11.9 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCypremort Rd.
CrossesKelly Canal
Location1.5 MI SE of LA 318
RouteCounty Highway 0
CountySt. Mary Parish
StateLouisiana
Coordinates29.84333, -91.62662
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.9 US tons
Inventory rating21.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 15
Structure length39 ft (11.9 m)
Longest span20 ft (6.1 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic210 (2022)
Projected traffic231 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$163,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Cypremort Rd. over Kelly Canal built?

It was built in 1958, making it 67 years old in 2025.

What condition is Cypremort Rd. over Kelly 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 April 2023.

How much traffic does Cypremort Rd. over Kelly Canal carry?

About 210 vehicles per day (2022 count).

How long is Cypremort Rd. over Kelly Canal?

The structure is 39 ft (11.9 m) long with a longest span of 20 ft (6.1 m) and a deck 30 ft wide.

Who owns Cypremort Rd. over Kelly Canal?

It is owned by the County Highway Agency.