US Bridges

LA0385 over Hippolyte Coulee

Fair

Calcasieu Parish, Louisiana · 3.8 MI N of LA 401 · Structure no. 071001950303761

Built
1955
70 years old, rebuilt 2017
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
36 ft
3 main spans
Daily traffic
3,197
2021 count
Owner
State
State Highway Agency

About this bridge

LA0385 over Hippolyte Coulee is a concrete culvert carrying LA0385 over Hippolyte Coulee in Calcasieu Parish, Louisiana. It was built in 1955 and reconstructed in 2017, so it is 70 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 3,197 vehicles a day, roughly 17% of them trucks, projected to reach 3,516 by 2041. The structure is 36 ft (11 m) long and 83 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesLA0385
CrossesHippolyte Coulee
Location3.8 MI N of LA 401
RouteState Highway 385
CountyCalcasieu Parish
StateLouisiana
Coordinates30.10681, -93.21331
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 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 rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length36 ft (11 m)
Longest span10 ft (3 m)
Deck width83 ft (25.3 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,197 (2021)
Projected traffic3,516 by 2041
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$229,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0385 over Hippolyte Coulee built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 2017.

What condition is LA0385 over Hippolyte Coulee 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 November 2024.

How much traffic does LA0385 over Hippolyte Coulee carry?

About 3,197 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is LA0385 over Hippolyte Coulee?

The structure is 36 ft (11 m) long with a longest span of 10 ft (3 m) and a deck 83 ft wide.

Who owns LA0385 over Hippolyte Coulee?

It is owned by the State Highway Agency.