ROUTE 29 RAMPB
ROUTE 29 RAMPB in 0.6 MI NW Of 1-29 JCT, Mercer County, New Jersey received a condition grade of B (67/100). Built in 1969, the bridge carries 163K vehicles daily on ROUTE 29 RAMPB over Assunpink Creek.
ROUTE 29 RAMPB carries a B on the BridgeSafety Condition Score with 67/100. 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 1969 and is now 57 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. ROUTE 29 RAMPB carries an average daily traffic count of 163,000 vehicles, with 1 lane(s) crossing Assunpink Creek. 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
ROUTE 29 RAMPB is a 57-year-old bridge located 0.6 MI NW Of 1-29 JCT in Mercer County, New Jersey. The bridge carries ROUTE 29 RAMPB over Assunpink Creek with 1 traffic lane, handling approximately 163K vehicles per day. Built in 1969, the structure spans 32.6 meters.
The bridge received a Condition Grade of B (67/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 6/9 (fair), and substructure 7/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
ROUTE 29 RAMPB has a Condition Score of 67/100 (Grade B). Its deck is rated 6/9, superstructure 6/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
ROUTE 29 RAMPB was built in 1969, making it 57 years old. The average bridge age in the United States is 48 years.
ROUTE 29 RAMPB carries approximately 163K vehicles per day (average daily traffic). The bridge has 1 traffic lane. It is 32.6 meters long and located on ROUTE 29 RAMPB in 0.6 MI NW Of 1-29 JCT, Mercer County, New Jersey.
No, ROUTE 29 RAMPB is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
ROUTE 29 RAMPB is located 0.6 MI NW Of 1-29 JCT in Mercer County, New Jersey. The bridge carries ROUTE 29 RAMPB over Assunpink Creek. Its coordinates are 40.217139, -74.769461. It is maintained by State Highway Agency.
ROUTE 29 RAMPB carries ROUTE 29 RAMPB over Assunpink Creek. The bridge is 32.6 meters long and was built in 1969.
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.