A 1918 Concrete Arch over the Tsuge River
Former Tsuge Bridge (旧黄柳橋, Kyū-Tsuge-bashi) is a reinforced concrete arch bridge of 1918 that crosses the Tsuge River at Norimoto in Shinshiro City, Aichi Prefecture, and it was entered on the national register as a Registered Tangible Cultural Property (structure) on 2 September 1998. The deck runs 51.2 metres and measures 3.6 metres across. The Agency for Cultural Affairs classifies it under transport and civil engineering works, and records the registration criterion as a contribution to the historic landscape of the country.
The Tsuge is a first class river in the Toyokawa system, and the bridge sits just upstream of the point where it joins the Ure River. Shinshiro City records that the first crossing here was a wooden bridge of 1891. Former Tsuge Bridge, built in 1918, replaced it.
A third bridge later took over the traffic. Rather than demolish the concrete arch, the prefecture kept it in place for people on foot.
The design came from engineers employed by Aichi Prefecture. Shinshiro City names three of them: Tachi Kihachirō, Yoshida Sennojō and Wada Seizaburō. The Agency for Cultural Affairs is more cautious, recording only that the work is handed down as the design of the prefectural engineer Yoshida Sennojō.
Why a 30.3 Metre Span Mattered
The case for registering Former Tsuge Bridge rests on the length of its arch and on what that length forced the builders to do. Shinshiro City gives the effective span as 30.3 metres and the radius of the arch as 18.94 metres. The Agency for Cultural Affairs notes in its commentary that a 30 metre span was the largest achieved by an open spandrel arch during the Taishō era.
Around 1918, engineers treated roughly 30 metres as the practical ceiling for a concrete arch. According to Shinshiro City, the record set here held until 1927. For nine years, no longer concrete arch existed anywhere in Japan.
The country's first reinforced concrete arch bridge is usually given as Ōiwa Bridge in Kyoto, completed in 1904. Concrete arches spread through the 1910s, and the mountainous parts of Mikawa saw a cluster of them built between 1917 and 1919. Former Tsuge Bridge represents the technical high point of that group.
It also holds a local first. No civil engineering structure in Aichi Prefecture had been made a Registered Tangible Cultural Property before Former Tsuge Bridge was registered in 1998.
The Lattice of Columns Beneath the Deck
Look at Former Tsuge Bridge from the side and the arch ring clearly does not touch the roadway. The deck is 51.2 metres long while the arch spans only 30.3 metres, so towards each abutment the road rides high above the curve. On an ordinary arch bridge the two meet.
Columns fill that gap. Shinshiro City records their heights as ranging from 4.4 metres to 8.2 metres. What makes them unusual is that they are not simply vertical posts. To stiffen the structure across the axis of the bridge and to resist earthquakes, the builders threaded one or two horizontal beams through each column at mid height, producing a grid.
Shinshiro City reads this as a deliberate echo of Japanese timber joinery. The Agency for Cultural Affairs describes the same feature from the engineering side: the vertical members were kept slender and framed like a timber lattice.
The type disappeared during the Shōwa era. Better concrete design removed the need for the lattice, and later arches carry their decks on plain slender piers.
None of this is visible from the deck. Walk down to the riverbank and look back from downstream, and the curve of the arch and the row of thin columns above it come into a single view. The current Tsuge Bridge stands close by, which puts two generations of bridge building side by side.
Visiting Former Tsuge Bridge
Former Tsuge Bridge belongs to Aichi Prefecture and remains in service as a footbridge. There is no admission fee and no set opening time, so you can cross whenever you like. Photography is unrestricted. At 3.6 metres wide the deck is narrow, so step aside for anyone coming the other way.
By train, Ōmi Station on the JR Iida Line is the closest stop, about 1.6 kilometres away in a straight line, or roughly 25 minutes on foot. Hon Nagashino Station lies about 2.5 kilometres away.
By car, the useful landmark is the junction itself: the Tsuge crossing carries the Toyohashi Hōrai prefectural road at the point where it meets National Route 151. Turn off the national road at the Norimoto intersection and the bridge is immediately ahead. For parking, it is worth calling the History and Culture Division of the Shinshiro City Board of Education on 0536-23-7610 before you set out.
If you go down to the riverbed for the view from below, watch your footing, and stay away after heavy rain.
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Q&A
- Can you cross Former Tsuge Bridge, and can you drive over it?
- You can walk across it. Vehicles use the third Tsuge Bridge nearby, while Former Tsuge Bridge is kept in service for pedestrians.
- Is there an admission fee or opening time for Former Tsuge Bridge?
- No. It functions as part of the public road network, so there is no charge and no fixed visiting hours.
- How do you reach Former Tsuge Bridge by public transport?
- Ōmi Station on the JR Iida Line is nearest, about 1.6 kilometres away in a straight line, or some 25 minutes on foot. Hon Nagashino Station is about 2.5 kilometres away.
- What should you look at when you visit Former Tsuge Bridge?
- The columns between the arch and the deck. They stand from 4.4 metres to 8.2 metres tall and carry horizontal beams at mid height, forming a lattice that reads clearly only from the riverbank.
- Is photography allowed at Former Tsuge Bridge?
- Yes, without restriction. The arch and its columns photograph best from the riverbed on the downstream side rather than from the deck.
Basic Information
| Name | Former Tsuge Bridge (旧黄柳橋, Kyū-Tsuge-bashi) |
|---|---|
| Location | Kamibayashi and Kawamukae, Norimoto, Shinshiro City, Aichi Prefecture |
| Designation | Registered Tangible Cultural Property (structure) |
| Year Designated | Registered on 2 September 1998 |
| Quantity | 1 structure |
| Dimensions | Length 51.2 metres, width 3.6 metres, arch span 30.3 metres |
| Owner | Aichi Prefecture |
| Public Access | Open at all times as a footbridge. No admission fee, photography permitted |
References
- National Cultural Properties Database, Former Tsuge Bridge (Agency for Cultural Affairs)
- https://kunishitei.bunka.go.jp/heritage/detail/101/00000686
- Cultural Heritage Online, Former Tsuge Bridge
- https://bunka.nii.ac.jp/heritages/detail/176906
- Shinshiro City, Former Tsuge Bridge
- https://www.city.shinshiro.lg.jp/kanko/minzokugeino/kyutsugebashi.html
- Shinshiro City, Cultural Properties
- https://www.city.shinshiro.lg.jp/kanko/bunkazai/index.html
Last verified: 2026.09.01