US Bridges

Humble RD over Moon Island Canal

Good

Vermilion Parish, Louisiana · 0.01 MI W of LA 91 · Structure no. 035700000200264

Built
2013
12 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
35 ft
2 main spans
Daily traffic
73
2021 count
Owner
County
County Highway Agency

About this bridge

Humble RD over Moon Island Canal is a wood or timber stringer/multi-beam or girder carrying Humble RD over Moon Island Canal in Vermilion Parish, Louisiana. It was built in 2013, so it is 12 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 73 vehicles a day, projected to reach 80 by 2041. The structure is 35 ft (10.7 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesHumble RD
CrossesMoon Island Canal
Location0.01 MI W of LA 91
RouteCounty Highway 0
CountyVermilion Parish
StateLouisiana
Coordinates30.00698, -92.51436
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadH 20
Structure length35 ft (10.7 m)
Longest span15 ft (4.7 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic73 (2021)
Projected traffic80 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Humble RD over Moon Island Canal built?

It was built in 2013, making it 12 years old in 2025.

What condition is Humble RD over Moon Island Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.

How much traffic does Humble RD over Moon Island Canal carry?

About 73 vehicles per day (2021 count).

How long is Humble RD over Moon Island Canal?

The structure is 35 ft (10.7 m) long with a longest span of 15 ft (4.7 m) and a deck 24 ft wide.

Who owns Humble RD over Moon Island Canal?

It is owned by the County Highway Agency.