US Bridges

LA0040 over Creek

FairPosted for load

St. Tammany Parish, Louisiana · 1.4 M W of LA 1077 · Structure no. 625202690700171

Built
1954
71 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
96 ft
5 main spans
Daily traffic
2,778
2021 count
Owner
State
State Highway Agency

About this bridge

LA0040 over Creek is a wood or timber stringer/multi-beam or girder carrying LA0040 over Creek in St. Tammany Parish, Louisiana. It was built in 1954, so it is 71 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 2,778 vehicles a day, roughly 12% of them trucks, projected to reach 3,055 by 2041. The structure is 96 ft (29.3 m) long and 27 ft wide.

CarriesLA0040
CrossesCreek
Location1.4 M W of LA 1077
RouteState Highway 40
Coordinates30.61584, -90.2465
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating27 US tons
Inventory rating18 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans5
Design loadH 15
Structure length96 ft (29.3 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.1 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,778 (2021)
Projected traffic3,055 by 2041
Trucks12%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$478,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0040 over Creek built?

It was built in 1954, making it 71 years old in 2025.

What condition is LA0040 over 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 October 2023.

How much traffic does LA0040 over Creek carry?

About 2,778 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is LA0040 over Creek?

The structure is 96 ft (29.3 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns LA0040 over Creek?

It is owned by the State Highway Agency.