The Setoyama Bridge

The Tenryu Hamanako Railway Setoyama Bridge (天竜浜名湖鉄道瀬戸山橋梁) is a concrete arch bridge of 1940 on the Tenryu Hamanako Railway about 500 metres east of the Seto Bridge in Hamana Ward, Hamamatsu City, Shizuoka Prefecture, and was registered as a Registered Tangible Cultural Property (structure) on January 26, 2011 (Agency for Cultural Affairs).

The Agency records a three-arch concrete bridge 17 metres long with its abutments; registration number 22-0155.

A Small Bridge of Round Arches

The Setoyama Bridge stands on a slope where the hillside closes in on the Miyakoda River, alongside the national highway. It is a solid-spandrel concrete bridge of three arches, 17 metres long and 4.2 metres wide, with raised sides holding a ballast bed (Agency for Cultural Affairs).

Its three semicircular arches each span 4 metres (Agency for Cultural Affairs).

Why It Was Registered

It was registered under the criterion of contributing to the historic landscape of the country (Agency for Cultural Affairs). The Agency praises the graceful design of its row of round arches.

What to Look For

Look for the three round arches, each 4 metres across (Agency for Cultural Affairs).

Visiting

The bridge is in Miyakoda-cho, on the slope beside the national highway (Agency for Cultural Affairs), and is in daily railway use. Tickets, fares and the turntable tour are covered on the Tenryu Hamanako Railway page. Do not enter the tracks or railway land.

The Kita Ward of Hamamatsu named in the Agency's record became part of Hamana Ward when the city reorganised its wards on January 1, 2024; town names and lot numbers did not change (Hamamatsu City).

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Q&A

QWhen was the Tenryu Hamanako Railway Setoyama Bridge built?
AIn 1940 (Agency for Cultural Affairs).
QWhere is the Tenryu Hamanako Railway Setoyama Bridge?
AIn Miyakoda-cho, Hamana Ward, about 500 metres east of the Seto Bridge.
QWhat should I look for?
AIts three round arches.
QCan I visit the Tenryu Hamanako Railway Setoyama Bridge?
AIt is a working railway bridge.
QWhen was the Tenryu Hamanako Railway Setoyama Bridge registered?
AOn January 26, 2011 (Agency for Cultural Affairs).

Basic Information

NameTenryu Hamanako Railway Setoyama Bridge (天竜浜名湖鉄道瀬戸山橋梁)
LocationMiyakoda-cho, Kita Ward, Hamamatsu City, Shizuoka Prefecture
DesignationRegistered Tangible Cultural Property (Structure)
Year DesignatedRegistered 2011/01/26 (Heisei 23)
Quantity1 structure
DimensionsThree-arch concrete bridge, 17 m long, with abutments
OwnerTenryu Hamanako Railway Co., Ltd.
Public AccessIn railway use (no access to the structure)

References

Tenryu Hamanako Railway Setoyama Bridge (Database of National Cultural Properties, Agency for Cultural Affairs)
https://kunishitei.bunka.go.jp/heritage/detail/101/00008471
Cultural Properties along the Line (Tenryu Hamanako Railway, Japanese)
https://www.tenhama.co.jp/spot/bunkazai/
Ward Reorganisation (Hamamatsu City, Japanese)
https://www.city.hamamatsu.shizuoka.jp/kikaku/kuseido/index.html

Last verified: 2026.10.14