US Bridges

Maplewood Drive over Gum Slough

Fair

Calcasieu Parish, Louisiana · 0.8 MI East of LA 27 · Structure no. 071000000071009

Built
2020
5 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
45 ft
4 main spans
Daily traffic
14,781
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Maplewood Drive over Gum Slough is a concrete culvert carrying Maplewood Drive over Gum Slough in Calcasieu Parish, Louisiana. It was built in 2020, so it is 5 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 14,781 vehicles a day, projected to reach 16,259 by 2039. The structure is 45 ft (13.7 m) long and 68 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMaplewood Drive
CrossesGum Slough
Location0.8 MI East of LA 27
RouteCity Street 0
Coordinates30.22752, -93.34532
Functional classUrban 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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.8 US tons
Inventory rating44 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHL 93
Structure length45 ft (13.7 m)
Longest span10 ft (3 m)
Deck width68 ft (20.7 m)
Roadway width47 ft (14.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,781 (2019)
Projected traffic16,259 by 2039
Trucks—
Lanes on structure4
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 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 Maplewood Drive over Gum Slough built?

It was built in 2020, making it 5 years old in 2025.

What condition is Maplewood Drive over Gum Slough 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 December 2024.

How much traffic does Maplewood Drive over Gum Slough carry?

About 14,781 vehicles per day (2019 count).

How long is Maplewood Drive over Gum Slough?

The structure is 45 ft (13.7 m) long with a longest span of 10 ft (3 m) and a deck 68 ft wide.

Who owns Maplewood Drive over Gum Slough?

It is owned by the City or Municipal Highway Agency.