| State: | OR |
| Type: | OR |
| Route: | 104 |
| Alternate Name: | Fort Stevens Highway No. 104 |
| Map Custom: | yes |
| Map Notes: | Route 104; mainline in red, spur route in blue |
| Length Mi: | 6.03 |
| Length Ref: | [1] |
| Length Round: | 2 |
| Established: | 2002 |
| Direction A: | South |
| Junction: | in Warrenton |
| Direction B: | North |
| Terminus B: | Fort Stevens State Park in Warrenton |
| Previous Type: | OR |
| Previous Route: | 103 |
| Next Type: | OR |
| Next Route: | 104S |
Oregon Route 104 (OR 104) is a state highway in Clatsop County, Oregon, United States. It is 6.03miles long and connects US Route 101 (US 101) south of Warrenton with Fort Stevens State Park in Warrenton. OR 104 is known as the Fort Stevens Highway No. 104[2] (see Oregon highways and routes).
The OR 104 designation was applied to the Fort Stevens Highway in 2002 as part of Oregon's project to assign route numbers to highways that did not have route numbers.[3]
The southern terminus of OR 104 is at a junction with US 101 near south of Warrenton. It heads due north for 6miles, ending at the entrance to Fort Stevens State Park near Hammond. The southern portion of the route constitutes an old portion of US 101. The spur, known as the Fort Stevens Spur No. 485, also constitutes an old portion of US 101.[4]
The Fort Stevens Highway No. 104 was established as a secondary highway on December 30, 1946. On February 19, 1981, OR 104 was extended southward to an old alignment of US 101, while US 101 was moved to a new alignment. On September 19, 2002, OR 104 was assigned to the Fort Stevens Highway.
| State: | OR |
| Type: | OR |
| Route: | 104S |
| Length Mi: | 0.95 |
| Length Ref: | [5] |
| Formed: | 2002 |
Oregon Route 104S (OR 104S), also known as Fort Stevens Spur No. 485, is a 0.95miles spur route of OR 104 in Warrenton, that connects OR 104 with US 101.