US Bridges

3rd Ave over Ponchitolawa Creek

Good

St. Tammany Parish, Louisiana · 0.6 MI SE of Helenbirg RD · Structure no. 625200000625225

Built
2023
2 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete
Length
100 ft
5 main spans
Daily traffic
200
2023 count
Owner
County
County Highway Agency

About this bridge

3rd Ave over Ponchitolawa Creek is a concrete slab carrying 3rd Ave over Ponchitolawa Creek in St. Tammany Parish, Louisiana. It was built in 2023, so it is 2 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 200 vehicles a day, projected to reach 220 by 2043. The structure is 100 ft (30.5 m) long and 26 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
Carries3rd Ave
CrossesPonchitolawa Creek
Location0.6 MI SE of Helenbirg RD
RouteCounty Highway 0
CountySt. Tammany Parish
StateLouisiana
Coordinates30.42933, -90.06457
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating65 US tons
Inventory rating50 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadGreater than HL 93
Structure length100 ft (30.5 m)
Longest span20 ft (6.1 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic220 by 2043
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 3rd Ave over Ponchitolawa Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is 3rd Ave over Ponchitolawa 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 March 2023.

How much traffic does 3rd Ave over Ponchitolawa Creek carry?

About 200 vehicles per day (2023 count).

How long is 3rd Ave over Ponchitolawa Creek?

The structure is 100 ft (30.5 m) long with a longest span of 20 ft (6.1 m) and a deck 26 ft wide.

Who owns 3rd Ave over Ponchitolawa Creek?

It is owned by the County Highway Agency.