What's a bridge's favorite exercise? Cross-fit.
What's a bridge's favorite exercise? Cross-fit.
Loading structural data... this is riveting stuff.
over WATER CONCORD RIVER
0.5 MI NW RT3 & CNCRD RD
Parametric wireframe generated from real NBI dimensions. Drag to rotate, scroll to zoom.
Loading 3D model...
This bridge has a Good overall condition rating of 7 out of 9. It is in good structural condition and is not classified as structurally deficient.
The bridge carries 86,400 vehicles per day and is 22 years old.
Its sufficiency rating of 78.2 is above the national average of 63.6.
The NBI records a navigation clearance of 3 feet — the minimum vertical space below the bridge deck. The total height of the bridge structure (including towers, railings, and superstructure) may be higher.
For travelers with bridge anxiety
This bridge may cause some awareness for travelers with bridge anxiety, but has manageable characteristics.
This bridge is 204 feet long — a short crossing, about 10-15 seconds.
A standard overpass design with solid barriers on each side.
About 3 feet above ground — standard overpass height.
About 86,400 vehicles cross daily — heavy traffic, congestion likely during rush hours.
The deck is 78 feet wide with multiple lanes — easy to stay in a center lane.
This bridge crosses over water. Focus on the road ahead — the water is far below.
This comfort score is designed to help individuals with bridge anxiety plan their travel. All bridges in the National Bridge Inventory are regularly inspected and deemed safe for travel. This is not medical advice — if you experience severe anxiety, please consult a healthcare professional.
Year Built
2004
22 years old
Structure Type
Steel Stringer/Multi-beam/Girder
Total Length
204 ft
62.2 m
Deck Width
78 ft
23.9 m
Spans
1
sections between supports
Max Span
197 ft
longest unsupported section (60.0 m)
Traffic Lanes
3 lanes
One-way traffic
Clearance Below
3 ft
navigation clearance under deck
Daily Traffic
86,400vehicles/day
42.54797°N, 71.28775°W
Steel Stringer/Multi-beam/Girder
A steel stringer bridge uses parallel steel beams (stringers) to support the deck. This is one of the most common bridge types in the US, valued for its simplicity and strength.
Learn more about this bridge typeNo ratings yet. Be the first to rate this bridge!
Sign in and track Massachusetts to receive alerts when new inspection data is published. Premium members get bridge-specific notifications.
Data from the National Bridge Inventory (NBI), maintained by the Federal Highway Administration (FHWA).
Data year: 2025. Conditions may have changed since the last inspection.
This information is provided for educational and informational purposes only. It should not be used as the sole basis for any decisions related to bridge safety or transportation planning. Always consult official sources and local authorities for the most current data.