NORTH FRONTAGE RD
NORTH FRONTAGE RD in 0.55mi E/Ala Kapuna RD, Honolulu County, Hawaii received a condition grade of B (77/100). Built in 1974, the bridge carries 124K vehicles daily on NORTH FRONTAGE RD over Lakeside #2-Ala Aolani.
NORTH FRONTAGE RD carries a B on the BridgeSafety Condition Score with 77/100. Most component ratings are solid; one or two may show wear consistent with the structure’s age, but the bridge is not flagged as structurally deficient.
The bridge was built in 1974 and is now 52 years old, at or past the typical 50-year design life for bridges of its vintage. Maintenance and inspection cycles are correspondingly more involved than for newer structures. NORTH FRONTAGE RD carries an average daily traffic count of 124,000 vehicles, with 2 lane(s) crossing Lakeside #2-Ala Aolani. The owning agency is State Highway Agency; bridge inspection records flow into the federal NBI database annually.
Component Ratings
The riding surface, evaluated for cracking, spalling, and wear
Beams, girders, and trusses that support the deck
Piers, abutments, and foundations below the deck
Bridge Details
About This Bridge
NORTH FRONTAGE RD is a 52-year-old bridge located 0.55mi E/Ala Kapuna RD in Honolulu County, Hawaii. The bridge carries NORTH FRONTAGE RD over Lakeside #2-Ala Aolani with 2 traffic lanes, handling approximately 124K vehicles per day. Built in 1974, the structure spans 50.6 meters.
The bridge received a Condition Grade of B (77/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 7/9 (good), and substructure 7/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
NORTH FRONTAGE RD has a Condition Score of 77/100 (Grade B). Its deck is rated 7/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
NORTH FRONTAGE RD was built in 1974, making it 52 years old. The average bridge age in the United States is 48 years.
NORTH FRONTAGE RD carries approximately 124K vehicles per day (average daily traffic). The bridge has 2 traffic lanes. It is 50.6 meters long and located on NORTH FRONTAGE RD in 0.55mi E/Ala Kapuna RD, Honolulu County, Hawaii.
No, NORTH FRONTAGE RD is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
NORTH FRONTAGE RD is located 0.55mi E/Ala Kapuna RD in Honolulu County, Hawaii. The bridge carries NORTH FRONTAGE RD over Lakeside #2-Ala Aolani. Its coordinates are 21.360200, -157.899294. It is maintained by State Highway Agency.
NORTH FRONTAGE RD carries NORTH FRONTAGE RD over Lakeside #2-Ala Aolani. The bridge is 50.6 meters long and was built in 1974.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.
Source: FHWA National Bridge Inventory, 2026.