US Bridges

LA 41 over Gum Creek

Good

St. Tammany Parish, Louisiana · 1.5 M NW of US 11 · Structure no. 625200580101841

Built
1968
57 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete
Length
100 ft
5 main spans
Daily traffic
11,342
2021 count
Owner
State
State Highway Agency

About this bridge

LA 41 over Gum Creek is a concrete slab carrying LA 41 over Gum Creek in St. Tammany Parish, Louisiana. It was built in 1968, so it is 57 years old, older 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 11,342 vehicles a day, roughly 8% of them trucks, projected to reach 12,476 by 2041. The structure is 100 ft (30.5 m) long and 33 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesLA 41
CrossesGum Creek
Location1.5 M NW of US 11
RouteState Highway 41
Coordinates30.38036, -89.76907
Functional classUrban Minor Arterial

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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating79 US tons
Inventory rating48 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span20 ft (6.1 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,342 (2021)
Projected traffic12,476 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 LA 41 over Gum Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is LA 41 over Gum 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 LA 41 over Gum Creek carry?

About 11,342 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is LA 41 over Gum Creek?

The structure is 100 ft (30.5 m) long with a longest span of 20 ft (6.1 m) and a deck 33 ft wide.

Who owns LA 41 over Gum Creek?

It is owned by the State Highway Agency.