US Bridges

Garrie Cut-Off over Gum Slough

Good

Calcasieu Parish, Louisiana · 0.8 MI East of LA 109 · Structure no. 071030145933751

Built
1986
39 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
23 ft
3 main spans
Daily traffic
482
2021 count
Owner
County
County Highway Agency

About this bridge

Garrie Cut-Off over Gum Slough is a concrete culvert carrying Garrie Cut-Off over Gum Slough in Calcasieu Parish, Louisiana. It was built in 1986, so it is 39 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 482 vehicles a day, projected to reach 530 by 2041. The structure is 23 ft (7 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesGarrie Cut-Off
CrossesGum Slough
Location0.8 MI East of LA 109
RouteCounty Highway 0
Coordinates30.24134, -93.6249
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.3 US tons
Inventory rating23.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length23 ft (7 m)
Longest span8 ft (2.4 m)
Deck width33 ft (10.1 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic482 (2021)
Projected traffic530 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Garrie Cut-Off over Gum Slough built?

It was built in 1986, making it 39 years old in 2025.

What condition is Garrie Cut-Off over Gum Slough 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 June 2023.

How much traffic does Garrie Cut-Off over Gum Slough carry?

About 482 vehicles per day (2021 count).

How long is Garrie Cut-Off over Gum Slough?

The structure is 23 ft (7 m) long with a longest span of 8 ft (2.4 m) and a deck 33 ft wide.

Who owns Garrie Cut-Off over Gum Slough?

It is owned by the County Highway Agency.