Analyzing deck conditions, superstructure ratings, and bad puns...
Analyzing deck conditions, superstructure ratings, and bad puns...
Why do engineers love bridges? They're outstanding in their field.
over COLLEGE BROOK
.2 MI WEST NH108 JCT
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 8 out of 9. It is in good structural condition and is not classified as structurally deficient.
The bridge carries 1,687 vehicles per day and is 28 years old.
Its sufficiency rating of 68.4 is above the national average of 63.6.
For travelers with bridge anxiety
This bridge may cause some awareness for travelers with bridge anxiety, but has manageable characteristics.
This bridge is 23 feet long — a quick crossing, under 5 seconds at highway speed.
An arch bridge design with some openness to the surroundings.
No height data available — likely a standard overpass height.
About 1,687 vehicles cross daily — light traffic, a smooth crossing.
The deck is 39 feet wide with 2-3 lanes — moderate width.
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
1998
28 years old
Structure Type
Concrete Arch (Deck)
Total Length
23 ft
7.0 m
Deck Width
39 ft
12.0 m
Spans
1
sections between supports
Max Span
22 ft
longest unsupported section (6.6 m)
Traffic Lanes
2 lanes
Two-way traffic
Daily Traffic
1,687vehicles/day
43.12995°N, 70.92334°W
Concrete Arch (Deck)
A concrete arch bridge uses a curved concrete structure to transfer loads through compression. Concrete arches are durable and can be very aesthetically pleasing.
Learn more about this bridge typeNo ratings yet. Be the first to rate this bridge!
Sign in and track New Hampshire 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.