Loading... unlike some bridges, we promise not to leave you hanging.
Loading... unlike some bridges, we promise not to leave you hanging.
41,685 bridges are in poor condition. But this loading screen isn't one of them.
over HALL STREET
.5 MI FROM JCT 3-A
Parametric wireframe generated from real NBI dimensions. Drag to rotate, scroll to zoom.
Loading 3D model...
This bridge has a Fair overall condition rating of 5 out of 9. While it is not classified as structurally deficient, it shows some deterioration that is being monitored.
The bridge carries 37,288 vehicles per day and is 68 years old (reconstructed in 1988).
Its sufficiency rating of 60.2 places it below the national average of 63.6.
The NBI records a navigation clearance of 14 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 166 feet long — a short crossing, about 10-15 seconds.
A standard overpass design with solid barriers on each side.
About 14 feet above ground — standard overpass height.
About 37,288 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 61 feet wide with 3-4 lanes — standard width.
This bridge crosses over land, not water — no water views 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
1958
68 years old (rebuilt 1988)
Structure Type
Steel Stringer/Multi-beam/Girder
Total Length
166 ft
50.6 m
Deck Width
61 ft
18.6 m
Spans
3
sections between supports
Max Span
62 ft
longest unsupported section (18.9 m)
Traffic Lanes
2 lanes
One-way traffic
Clearance Below
14 ft
navigation clearance under deck
Clearance height compared to familiar objects
Height shown is the navigation clearance below the bridge deck. The total height of the bridge structure (including towers and superstructure) may be higher.
Daily Traffic
37,288vehicles/day
43.18474°N, 71.52356°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 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.