US Bridges

LA0440 over Big Creek

Fair

Tangipahoa Parish, Louisiana · LA0440 · Structure no. 625302760400641

Built
1960
65 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete
Length
140 ft
7 main spans
Daily traffic
752
2021 count
Owner
State
State Highway Agency

About this bridge

LA0440 over Big Creek is a concrete slab carrying LA0440 over Big Creek in Tangipahoa Parish, Louisiana. It was built in 1960, so it is 65 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 752 vehicles a day, roughly 13% of them trucks, projected to reach 827 by 2041. The structure is 140 ft (42.7 m) long and 30 ft wide.

CarriesLA0440
CrossesBig Creek
LocationLA0440
RouteState Highway 440
Coordinates30.86885, -90.3892
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating30 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length140 ft (42.7 m)
Longest span20 ft (6.1 m)
Deck width30 ft (9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic752 (2021)
Projected traffic827 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 LA0440 over Big Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is LA0440 over Big Creek 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 May 2023.

How much traffic does LA0440 over Big Creek carry?

About 752 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is LA0440 over Big Creek?

The structure is 140 ft (42.7 m) long with a longest span of 20 ft (6.1 m) and a deck 30 ft wide.

Who owns LA0440 over Big Creek?

It is owned by the State Highway Agency.