US Bridges

North River RD over Ashley Branch

Good

Tangipahoa Parish, Louisiana · 1.4 Mi. South of LA 38 · Structure no. 625300000620368

Built
2018
7 years old
Condition
Good
inspected August 2023
Type
Slab
Concrete
Length
60 ft
3 main spans
Daily traffic
218
2019 count
Owner
County
County Highway Agency

About this bridge

North River RD over Ashley Branch is a concrete slab carrying North River RD over Ashley Branch in Tangipahoa Parish, Louisiana. It was built in 2018, so it is 7 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 218 vehicles a day, projected to reach 239 by 2039. The structure is 60 ft (18.3 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNorth River RD
CrossesAshley Branch
Location1.4 Mi. South of LA 38
RouteCounty Highway 0
Coordinates30.917, -90.48245
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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating51 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadGreater than HL 93
Structure length60 ft (18.3 m)
Longest span20 ft (6.1 m)
Deck width31 ft (9.6 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic218 (2019)
Projected traffic239 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 North River RD over Ashley Branch built?

It was built in 2018, making it 7 years old in 2025.

What condition is North River RD over Ashley Branch 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 August 2023.

How much traffic does North River RD over Ashley Branch carry?

About 218 vehicles per day (2019 count).

How long is North River RD over Ashley Branch?

The structure is 60 ft (18.3 m) long with a longest span of 20 ft (6.1 m) and a deck 31 ft wide.

Who owns North River RD over Ashley Branch?

It is owned by the County Highway Agency.