Gum Island RD over Canal

Fair

Calcasieu Parish, Louisiana · 0.4 MI East of LA 108 · Structure no. 071030110933231

Built: 1999; 26 years old
Condition: Fair; inspected May 2024
Type: Slab; Concrete
Length: 57 ft; 3 main spans
Daily traffic: 463; 2022 count
Owner: County; County Highway Agency

About this bridge

Gum Island RD over Canal is a concrete slab carrying Gum Island RD over Canal in Calcasieu Parish, Louisiana. It was built in 1999, so it is 26 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 463 vehicles a day, projected to reach 509 by 2042. The structure is 57 ft (17.4 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesGum Island RD

CrossesCanal

Location0.4 MI East of LA 108

RouteCounty Highway 0

CountyCalcasieu Parish

StateLouisiana

Coordinates30.18383, -93.53668

Functional classRural 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.

Component	Rating	Meaning
Deck	6 Satisfactory	Structural elements show some minor deterioration.
Superstructure	6 Satisfactory	Structural elements show some minor deterioration.
Substructure	6 Satisfactory	Structural elements show some minor deterioration.
Channel and channel protection	6 Satisfactory	Structural elements show some minor deterioration.

Last inspectionMay 2024

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation6: Equal to present minimum criteria

Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is

Waterway adequacy8: Equal to present desirable criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating53.6 US tons

Inventory rating41.4 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 width31 ft (9.4 m)

Roadway width28 ft (8.5 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic463 (2022)

Projected traffic509 by 2042

Trucks—

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed8.1 mi (13 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 Gum Island RD over Canal built?

It was built in 1999, making it 26 years old in 2025.

What condition is Gum Island RD over 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 2024.

How much traffic does Gum Island RD over Canal carry?

About 463 vehicles per day (2022 count).

How long is Gum Island RD over Canal?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns Gum Island RD over Canal?

It is owned by the County Highway Agency.