US Bridges

LA0040 over Brushy Fork Branch

Fair

St. Tammany Parish, Louisiana · LA 40 0.85 M E of LA 1129 · Structure no. 625202690900851

Built
1989
36 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete
Length
58 ft
3 main spans
Daily traffic
1,567
2021 count
Owner
State
State Highway Agency

About this bridge

LA0040 over Brushy Fork Branch is a concrete slab carrying LA0040 over Brushy Fork Branch in St. Tammany Parish, Louisiana. It was built in 1989, so it is 36 years old, younger 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.

It carries about 1,567 vehicles a day, roughly 12% of them trucks, projected to reach 1,723 by 2041. The structure is 58 ft (17.7 m) long and 43 ft wide.

CarriesLA0040
CrossesBrushy Fork Branch
LocationLA 40 0.85 M E of LA 1129
RouteState Highway 40
Coordinates30.58696, -90.0623
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating65 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length58 ft (17.7 m)
Longest span19 ft (5.8 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,567 (2021)
Projected traffic1,723 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0040 over Brushy Fork Branch built?

It was built in 1989, making it 36 years old in 2025.

What condition is LA0040 over Brushy Fork Branch 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 November 2023.

How much traffic does LA0040 over Brushy Fork Branch carry?

About 1,567 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is LA0040 over Brushy Fork Branch?

The structure is 58 ft (17.7 m) long with a longest span of 19 ft (5.8 m) and a deck 43 ft wide.

Who owns LA0040 over Brushy Fork Branch?

It is owned by the State Highway Agency.