US Bridges

US0090 over Gum Gully

Fair

Calcasieu Parish, Louisiana · 0.9 MI E of LA 109 · Structure no. 071000030201401

Built
1954
71 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
37 ft
4 main spans
Daily traffic
3,645
2021 count
Owner
State
State Highway Agency

About this bridge

US0090 over Gum Gully is a concrete culvert carrying US0090 over Gum Gully in Calcasieu Parish, Louisiana. It was built in 1954, so it is 71 years old, older 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 3,645 vehicles a day, roughly 17% of them trucks, projected to reach 4,009 by 2041. The structure is 37 ft (11.3 m) long and 60 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS0090
CrossesGum Gully
Location0.9 MI E of LA 109
RouteU.S. Route 90
Coordinates30.16687, -93.62495
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span8 ft (2.4 m)
Deck width60 ft (18.3 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,645 (2021)
Projected traffic4,009 by 2041
Trucks17%
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

OwnerState Highway Agency
Maintained byState 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 US0090 over Gum Gully built?

It was built in 1954, making it 71 years old in 2025.

What condition is US0090 over Gum Gully 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 August 2024.

How much traffic does US0090 over Gum Gully carry?

About 3,645 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is US0090 over Gum Gully?

The structure is 37 ft (11.3 m) long with a longest span of 8 ft (2.4 m) and a deck 60 ft wide.

Who owns US0090 over Gum Gully?

It is owned by the State Highway Agency.