US Bridges

New Genessee RD over I-55

Good

Tangipahoa Parish, Louisiana · I0055 · Structure no. 625304529020971

Built
1970
55 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
222 ft
4 main spans
Daily traffic
4,090
2015 count
Owner
State
State Highway Agency

About this bridge

New Genessee RD over I-55 is a prestressed concrete stringer/multi-beam or girder carrying New Genessee RD over I-55 in Tangipahoa Parish, Louisiana. It was built in 1970, so it is 55 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 4,090 vehicles a day, projected to reach 4,499 by 2035. The structure is 222 ft (67.7 m) long and 30 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesNew Genessee RD
CrossesI-55
LocationI0055
RouteCounty Highway 0
Coordinates30.56287, -90.5046
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.
Substructure8 Very GoodNo problems noted.
Last inspectionJanuary 2025
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 rating86 US tons
Inventory rating35.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length222 ft (67.7 m)
Longest span70 ft (21.3 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,090 (2015)
Projected traffic4,499 by 2035
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed98.8 mi (159 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$982,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was New Genessee RD over I-55 built?

It was built in 1970, making it 55 years old in 2025.

What condition is New Genessee RD over I-55 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 January 2025.

How much traffic does New Genessee RD over I-55 carry?

About 4,090 vehicles per day (2015 count).

How long is New Genessee RD over I-55?

The structure is 222 ft (67.7 m) long with a longest span of 70 ft (21.3 m) and a deck 30 ft wide.

Who owns New Genessee RD over I-55?

It is owned by the State Highway Agency.