US Bridges

Welsh Canal Road over Welsh Canal

Fair

Jefferson Davis Parish, Louisiana · 0.4 MI E of LA 99 · Structure no. 072730092924851

Built
1974
51 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete
Length
57 ft
3 main spans
Daily traffic
60
2019 count
Owner
County
County Highway Agency

About this bridge

Welsh Canal Road over Welsh Canal is a concrete slab carrying Welsh Canal Road over Welsh Canal in Jefferson Davis Parish, Louisiana. It was built in 1974, so it is 51 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 60 vehicles a day, projected to reach 66 by 2039. The structure is 57 ft (17.4 m) long and 23 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesWelsh Canal Road
CrossesWelsh Canal
Location0.4 MI E of LA 99
RouteCounty Highway 0
CountyJefferson Davis Parish
StateLouisiana
Coordinates30.15335, -92.80964
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30 US tons
Inventory rating23.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2019)
Projected traffic66 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

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 Welsh Canal Road over Welsh Canal built?

It was built in 1974, making it 51 years old in 2025.

What condition is Welsh Canal Road over Welsh 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 June 2024.

How much traffic does Welsh Canal Road over Welsh Canal carry?

About 60 vehicles per day (2019 count).

How long is Welsh Canal Road over Welsh Canal?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 23 ft wide.

Who owns Welsh Canal Road over Welsh Canal?

It is owned by the County Highway Agency.