US Bridges

LA0399 over Whiskey Chitto Creek

Good

Vernon Parish, Louisiana · 5.72 Mi. South of LA 10 · Structure no. 085801380201381

Built
2001
24 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
1,250 ft
25 main spans
Daily traffic
957
2021 count
Owner
State
State Highway Agency

About this bridge

LA0399 over Whiskey Chitto Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying LA0399 over Whiskey Chitto Creek 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 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 957 vehicles a day, roughly 14% of them trucks, projected to reach 1,052 by 2041. The structure is 1,250 ft (381 m) long and 33 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesLA0399
CrossesWhiskey Chitto Creek
Location5.72 Mi. South of LA 10
RouteState Highway 399
Coordinates30.8937, -93.0722
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating88 US tons
Inventory rating53 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans25
Design loadHS 20
Structure length1,250 ft (381 m)
Longest span50 ft (15.2 m)
Deck width33 ft (10 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic957 (2021)
Projected traffic1,052 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 Whiskey Chitto Creek built?

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

What condition is LA0399 over Whiskey Chitto Creek 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 July 2024.

How much traffic does LA0399 over Whiskey Chitto Creek carry?

About 957 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is LA0399 over Whiskey Chitto Creek?

The structure is 1,250 ft (381 m) long with a longest span of 50 ft (15.2 m) and a deck 33 ft wide.

Who owns LA0399 over Whiskey Chitto Creek?

It is owned by the State Highway Agency.