US Bridges

Old Hwy. 41 Spur over Drain

FairPosted for load

St. Tammany Parish, Louisiana · 0.20 Southwest of LA 41 · Structure no. 625230230894511

Built
2005
20 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
40 ft
2 main spans
Daily traffic
2,877
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Old Hwy. 41 Spur over Drain is a wood or timber stringer/multi-beam or girder carrying Old Hwy. 41 Spur over Drain in St. Tammany Parish, Louisiana. It was built in 2005, so it is 20 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 6 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 2,877 vehicles a day, projected to reach 3,164 by 2042. The structure is 40 ft (12.2 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesOld Hwy. 41 Spur
CrossesDrain
Location0.20 Southwest of LA 41
RouteCounty Highway 0
CountySt. Tammany Parish
StateLouisiana
Coordinates30.38914, -89.75956
Functional classUrban 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.
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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating21.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckOpen grating
Main spans2
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span19 ft (5.8 m)
Deck width25 ft (7.7 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,877 (2022)
Projected traffic3,164 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$168,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Hwy. 41 Spur over Drain built?

It was built in 2005, making it 20 years old in 2025.

What condition is Old Hwy. 41 Spur over Drain 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 April 2023.

How much traffic does Old Hwy. 41 Spur over Drain carry?

About 2,877 vehicles per day (2022 count).

How long is Old Hwy. 41 Spur over Drain?

The structure is 40 ft (12.2 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns Old Hwy. 41 Spur over Drain?

It is owned by the Town or Township Highway Agency.