Analyzing deck conditions, superstructure ratings, and bad puns...
Analyzing deck conditions, superstructure ratings, and bad puns...
A bridge's favorite type of music? Heavy metal. Or suspension... it depends.
over PETERSBURG S MITKOF TERM
PETERSBURG
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 2,659 vehicles per day and is 20 years old.
Its sufficiency rating of 72.1 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 1042 feet long — a moderate crossing, about 30 seconds.
A standard overpass design with solid barriers on each side.
No height data available — likely a standard overpass height.
About 2,659 vehicles cross daily — light traffic, a smooth crossing.
The deck is 24 feet wide with 1-2 lanes — a narrower crossing.
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
2006
20 years old
Structure Type
Steel Box Beam (Multiple)
Total Length
1,042 ft
317.6 m
Deck Width
24 ft
7.3 m
Spans
1
sections between supports
Max Span
140 ft
longest unsupported section (42.7 m)
Traffic Lanes
1 lane
Daily Traffic
2,659vehicles/day
56.53316°N, 132.71219°W
Steel Box Beam (Multiple)
A steel box beam bridge uses hollow rectangular steel sections that provide excellent torsional resistance and allow for longer spans.
Learn more about this bridge typeNo ratings yet. Be the first to rate this bridge!
Sign in and track Alaska 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.