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Lewis and Clark County

Montana
BNSF - Bridge Over Little Prickly Pear Creek   [Map]
Deck plate girder bridge over Prickly Pear Creek on BNSF
BNSF - Little Prickly Pear Creek Bridge   [Map · Street View]
Pony truss bridge over Little Prickly Pear Creek on Railroad
Open to traffic
BNSF- Tunnel #4   [Map · Street View]
Tunnel under Hill on Burlington Northern and Santa Fe Railway Company
Open to traffic
BNSF- Tunnel #5   [Map · Street View]
Tunnel under Hill on Burlington Northern and Santa Fe Railway Company
Open
Converse Ranch Bridge   [Map]
Pratt through truss bridge over Elk Creek on Private Dry
Open to traffic
County Road 435 Bridge   [Map]
Pratt pony truss bridge over Elk Creek on CR 416
Open to traffic
Built 1901
Craig Bridge   [Map · Street View]
A three-span through truss bridge, formerly over the Missouri River at Craig, is now relocated and sitting at the old State Nursery grounds awaiting to be reassembled as a pedestrian bridge for a park.
Awaiting reconstruction at the old State Nursery grounds near Helena
Built 1903; replaced and relocated in 2006
Craig Frontage-Wegner Creek Road Bridge   [Map · Street View]
Concrete tee beam bridge over Wegner Creek 055 on Craig Frontage Road
Open to traffic
Built 1934
Dearborn River High Bridge   [Map]
Deck truss bridge over Dearborn River on CR 300
Open to traffic
Built 1897 by the King Bridge Co.; rehabilitated 2003
E Main Street-Prickley Pair Creek Bridge   [Map · Street View]
Concrete tee beam bridge over Prickly Pear Creek 009 on E Main Street
Open to traffic
Built 1934
Elk Creek Bridge   [Map]
Through truss bridge over Elk Creek on CR 309 in Augusta
Open to traffic
Built 1914
Elk Creek Bridge   [Map]
Pony truss bridge over Elk Creek on CR 316
Open to traffic
Built 1915
Elk Creek CR 416 Bridge   [Map]
Lost pony truss bridge over Elk Creek on CR 416
No longer exists
Built 1915; replaced 2002
Flat Creek Bridge   [Map]
Pony truss bridge over Flat Creek on CR 320
Open to traffic
Built 1901
Frontage Road 003 Bridge   [Map]
Concrete tee beam bridge over Sheep Creek 117 on Frontage Road 003
Open to traffic
Built 1933
Hanna Road Bridge   [Map]
Parker pony truss bridge over Sun River on Hanna Road
Open to traffic
Little Prickly Pear Creek Bridge   [Map]
Through truss bridge over Little Prickly Pear Creek on CR 005
Open to traffic
Built 1905
Little Prickly Pear Creek Bridge   [Map]
Lost pony truss bridge over Little Prickly Pear Creek on CR 233
No longer exists
Built 1897; replaced 2001
Lover's Lane Bridge   [Map]
Through truss bridge over Elk Creek 041 on CR 309
Open to traffic
Built 1914
Morelli Bridge   [Map]
Timber stringer bridge over Benton Ave on Howie Street
Open to traffic
Built 1881; rehabilitated 1974
MRL - Mullan Tunnel   [Map]
Bridge over Mullan Pass/Continental Divide on Montana Rail Link
Open to traffic
Built 1883, enlarged and shortened 2009-10
North Fork Sun River Bridge   [Map]
Pony truss bridge over North Fork Sun River on Castle Reef Road
Open to traffic
Built 1916
NP - Iron Ridge Tunnel   [Map]
Lost Tunnel on Northern Pacific Railroad
Bypassed and collapsed
Old Eberl Lane Bridge   [Map · Street View]
Pony truss bridge over Elk Creek on abandoned portion of Eberl Lane
Closed to all traffic
Old US 287 Bridge   [Map]
Abandoned pratt through truss bridge over Dearborn River on Road
Abandoned
Old US 287 Bridge   [Map · Street View]
Abandoned steel stringer bridge over an unnamed creek on an abandoned alignment of US 287/I-15
Derelict/abandoned
Prickly Pear Creek Bridge   [Map]
Pony truss bridge over Prickly Pear Creek on Trail
Open to traffic
Pruden Creek Bridge   [Map · Street View]
Bridge over Pruden Creek
Bridge is on private property. A dirt road from the ranch to the north crosses the bridge and then veers to the east.
Rock Creek Bridge On Old Alignment Of US 287   [Map]
Concrete tee beam bridge over Rock Creek on Old Alignment of US 287
Intact but closed to all traffic
S 21 Bridge   [Map]
Concrete tee beam bridge over Elk Creek 119 on S 21
Open to traffic
Built 1935
S 21 Bridge Over Elk Creek Overflow   [Map]
Timber stringer bridge over Elk Creek Overflow 123 on S 21
Open to traffic
Built 1949
Ten Mile Creek Bridge   [Map · Street View]
Lost pony truss bridge over Ten Mile Creek on Williams Street in Helena West Side
Replaced by a new bridge
Built 1894; replaced 2010
Wolf Creek Bridge   [Map · Street View]
Cantilevered through truss bridge over the Missouri River on Old US 91
Open to traffic
Built 1933 by W.P. Roscoe Co.
Woodbridge Drive Bridge   [Map]
Deck arch bridge over Drainage 002 on Woodbridge Drive
Open to traffic
Built 1975
York Bridge   [Map]
Lost three-span through truss bridge over Missouri River on Route 280
Replaced by a new bridge
Built 1906 by the Minneapolis Steel & Machinery Co.; replaced 1982