Almost there! Just bridging the gap...
Almost there! Just bridging the gap...
Fun fact: Covered bridges were roofed to protect the wood, not the travelers.
over RAMP TO SH 121 ML
I70 I76 SH121 INTERCHAN
Parametric wireframe generated from real NBI dimensions. Drag to rotate, scroll to zoom.
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This bridge has a Poor overall condition rating of 3 out of 9. This bridge is classified as being in poor condition, meaning one or more structural components have significant deterioration. Poor condition does not mean the bridge is unsafe to drive on, but it does mean repairs or replacement may be needed.
The bridge carries 38,000 vehicles per day and is 44 years old.
Its sufficiency rating of 51.7 places it below the national average of 63.6.
The NBI records a navigation clearance of 28 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 173 feet long — a short crossing, about 10-15 seconds.
A standard overpass design with solid barriers on each side.
About 28 feet above ground — moderate height, similar to a 3-5 story building.
About 38,000 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 85 feet wide with multiple lanes — easy to stay in a center lane.
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
1982
44 years old
Structure Type
Steel Box Beam (Single/Spread)
Total Length
173 ft
52.7 m
Deck Width
85 ft
26.0 m
Spans
1
sections between supports
Max Span
168 ft
longest unsupported section (51.2 m)
Traffic Lanes
4 lanes
One-way traffic
Clearance Below
28 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
38,000vehicles/day
39.78685°N, 105.07213°W
Steel Box Beam (Single)
A steel box beam bridge uses hollow rectangular steel sections that provide excellent torsional resistance and allow for longer spans.
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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.