US Bridges

LA0399 over Br. of Whiskey Chitto CR

Poor

Vernon Parish, Louisiana · 3.1 Mi. South of LA 10 · Structure no. 085801380204001

Built
2001
24 years old
Condition
Poor
inspected July 2024
Type
Culvert
Steel
Length
31 ft
3 main spans
Daily traffic
938
2021 count
Owner
State
State Highway Agency

About this bridge

LA0399 over Br. of Whiskey Chitto CR is a steel culvert carrying LA0399 over Br. of Whiskey Chitto CR in Vernon Parish, Louisiana. It was built in 2001, so it is 24 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 938 vehicles a day, roughly 14% of them trucks, projected to reach 1,031 by 2041. The structure is 31 ft (9.4 m) long and 88 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesLA0399
CrossesBr. of Whiskey Chitto CR
Location3.1 Mi. South of LA 10
RouteState Highway 399
Coordinates30.92562, -93.0503
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating102.5 US tons
Inventory rating79.3 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span8 ft (2.4 m)
Deck width88 ft (26.8 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic938 (2021)
Projected traffic1,031 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0399 over Br. of Whiskey Chitto CR built?

It was built in 2001, making it 24 years old in 2025.

What condition is LA0399 over Br. of Whiskey Chitto CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does LA0399 over Br. of Whiskey Chitto CR carry?

About 938 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is LA0399 over Br. of Whiskey Chitto CR?

The structure is 31 ft (9.4 m) long with a longest span of 8 ft (2.4 m) and a deck 88 ft wide.

Who owns LA0399 over Br. of Whiskey Chitto CR?

It is owned by the State Highway Agency.