OK, I can't help myself.

It's true a Suspension Bridge is not appropriate for this application, although it would be VERY COOL!

But the stream is just not that wide and the terrain is overall pretty level, so why bother with that? A small trestle bridge will do the trick!
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Trestle Bridge |
I estimate the cost of building the ramps @ around $10K, for renting a back hoe and front end loader and buying gravel.
I estimate the cost of the trestle another $10K in steel pipe.
I estimate the cost of the road bed on the bridge structure over the creek @ $5K.
The bridge is 8' over the average water level and the length is 100', nowhere near the "1/4 Mile" Eddie said would be necessary. total cost comes in at $25K, call it $30K including demolition with dynamite of the old bridge. Nowhere NEAR his estimate of $500K.
If you wanted to spend a little extra to be Decorative, you could do it as a Covered Bridge. Basically the cost of building a small garage there for this size of bridge. Call it another $20K for that.
I will
NOT discuss this concept with Eddie!

RE