US Bridges

Mnr Str on Rmp NB over N Causeway Appr S Bound

Good

St. Tammany Parish, Louisiana · 0.68 MI N of Causeway Br. · Structure no. 625230222900566

Built
1993
32 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
150 ft
3 main spans
Daily traffic
500
2016 count
Owner
Toll Authority
Local Toll Authority

About this bridge

Mnr Str on Rmp NB over N Causeway Appr S Bound is a prestressed concrete stringer/multi-beam or girder carrying Mnr Str on Rmp NB over N Causeway Appr S Bound in St. Tammany Parish, Louisiana. It was built in 1993, so it is 32 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 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 500 vehicles a day, projected to reach 550 by 2036. The structure is 150 ft (45.7 m) long and 17 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMnr Str on Rmp NB
CrossesN Causeway Appr S Bound
Location0.68 MI N of Causeway Br.
RouteCounty Highway 0
Coordinates30.37389, -90.09229
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating48.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length150 ft (45.7 m)
Longest span50 ft (15.2 m)
Deck width17 ft (5.2 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2016)
Projected traffic550 by 2036
Trucks—
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed1.9 mi (3 km)
TollOn a toll road
National Highway SystemNo

Ownership and planned work

OwnerLocal Toll Authority
Maintained byLocal Toll Authority
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mnr Str on Rmp NB over N Causeway Appr S Bound built?

It was built in 1993, making it 32 years old in 2025.

What condition is Mnr Str on Rmp NB over N Causeway Appr S Bound 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 November 2024.

How much traffic does Mnr Str on Rmp NB over N Causeway Appr S Bound carry?

About 500 vehicles per day (2016 count).

How long is Mnr Str on Rmp NB over N Causeway Appr S Bound?

The structure is 150 ft (45.7 m) long with a longest span of 50 ft (15.2 m) and a deck 17 ft wide.

Who owns Mnr Str on Rmp NB over N Causeway Appr S Bound?

It is owned by the Local Toll Authority.