US Bridges

Williams Ave over Drain Canal

Fair

Terrebonne Parish, Louisiana · Hollywood RD at Williams · Structure no. 025529365904351

Built
2004
21 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete
Length
75 ft
4 main spans
Daily traffic
6,696
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Williams Ave over Drain Canal is a concrete slab carrying Williams Ave over Drain Canal in Terrebonne Parish, Louisiana. It was built in 2004, so it is 21 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 6 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 6,696 vehicles a day, projected to reach 7,365 by 2042. The structure is 75 ft (22.9 m) long and 46 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesWilliams Ave
CrossesDrain Canal
LocationHollywood RD at Williams
RouteCounty Highway 0
CountyTerrebonne Parish
StateLouisiana
Coordinates29.61131, -90.71711
Functional classUrban Minor Arterial

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 protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.6 US tons
Inventory rating49.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length75 ft (22.9 m)
Longest span20 ft (6.1 m)
Deck width46 ft (14.1 m)
Roadway width45 ft (13.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,696 (2022)
Projected traffic7,365 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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Williams Ave over Drain Canal built?

It was built in 2004, making it 21 years old in 2025.

What condition is Williams Ave over Drain 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 May 2023.

How much traffic does Williams Ave over Drain Canal carry?

About 6,696 vehicles per day (2022 count).

How long is Williams Ave over Drain Canal?

The structure is 75 ft (22.9 m) long with a longest span of 20 ft (6.1 m) and a deck 46 ft wide.

Who owns Williams Ave over Drain Canal?

It is owned by the City or Municipal Highway Agency.