HO gauge, I assume as it is American. Lionel Girder bridge. All metal construction, solid sides riveted to a thinner metal base. Silver in colour with Lionel logo on the sides and cast into the base. Has been used and base is rusty, also has some green paint on it from previous layout. Dates from the 1950’s, probably quite rare?This item has come from a collection which was packed into a trunk in 1960 and only unpacked for this auction. This item hasn’t been played with or touched for over 50 years – so pretty original! If you win multiple items please wait for an invoice before paying as I will recalculate postage costs to save you money (where possible). Collection available on any item. Please read the following small print as these are my terms and conditions. Please don’t bid if you are not willing to abide by them. I will only ship to UK addresses, and payment will be accepted via Paypal only . I try to post all items within 4 working days of receipt of payment. Postal charges are calculated at first class Royal Mail rates (which excludes some highland and island postcodes) and don’t usually include an allowance for packaging costs as I try to recycle packaging materials where possible. If you would prefer an alternative postal service, please contact me, I can recalculate and let you know. If the item sells for more than £30 I will send by recorded delivery and recalculate postage to reflect this. Any losses have to be claimed by the buyer against Royal Mail, although I will provide proof of postage for any claim. I prefer payments are received within 7 days of sale, however as I am a private seller not a business I am flexible if there are issues, but please contact me before you bid, where possible, if there might be issues. Returns will only be accepted if the item is not as described in the listing. In the event of any issues please contact me first and I will always try to resolve, before you leave any feedback. I will always leave feedback once feedback is left for me. Feedback on a sold item is the only clue I have that the item has been received successfully.