US Bridges

LA0377 over Whiskey Chitto Creek

Good

Allen Parish, Louisiana · 2.1 MI N of LA 26 · Structure no. 070203780302071

Built
1999
26 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
910 ft
13 main spans
Daily traffic
502
2021 count
Owner
State
State Highway Agency

About this bridge

LA0377 over Whiskey Chitto Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying LA0377 over Whiskey Chitto Creek in Allen Parish, Louisiana. It was built in 1999, so it is 26 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 502 vehicles a day, roughly 17% of them trucks, projected to reach 552 by 2041. The structure is 910 ft (277.4 m) long and 43 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesLA0377
CrossesWhiskey Chitto Creek
Location2.1 MI N of LA 26
RouteState Highway 377
Coordinates30.76651, -92.94761
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans13
Design loadHS 20
Structure length910 ft (277.4 m)
Longest span70 ft (21.3 m)
Deck width43 ft (13 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic502 (2021)
Projected traffic552 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0377 over Whiskey Chitto Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is LA0377 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 September 2023.

How much traffic does LA0377 over Whiskey Chitto Creek carry?

About 502 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is LA0377 over Whiskey Chitto Creek?

The structure is 910 ft (277.4 m) long with a longest span of 70 ft (21.3 m) and a deck 43 ft wide.

Who owns LA0377 over Whiskey Chitto Creek?

It is owned by the State Highway Agency.