Crunching the numbers on America's infrastructure...
Crunching the numbers on America's infrastructure...
Fetching data from the National Bridge Inventory...
over PORT OF TILLAMOOK BAY RR
.7 MI SE HWY 53/FOSS RD
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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 17 vehicles per day and is 61 years old (reconstructed in 2015).
Its sufficiency rating of 54.2 places it below the national average of 63.6.
The NBI records a navigation clearance of 21 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 64 feet long — a quick crossing, under 5 seconds at highway speed.
A standard overpass design with solid barriers on each side.
About 21 feet above ground — moderate height, similar to a 3-5 story building.
Only about 17 vehicles cross daily — very light traffic with low congestion risk.
The deck is 12 feet wide — a very narrow, single-lane crossing.
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
1965
61 years old (rebuilt 2015)
Structure Type
Steel Stringer/Multi-beam/Girder
Total Length
64 ft
19.5 m
Deck Width
12 ft
3.7 m
Spans
1
sections between supports
Max Span
63 ft
longest unsupported section (19.2 m)
Traffic Lanes
1 lane
Clearance Below
21 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
17vehicles/day
45.70282°N, 123.84855°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.
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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.