Route 284 over Canyon Ferry Spillway

14 mi E-NE of Helena MT · County 049, Montana · Built 1950 · 2 Lanes · 600 vehicles/day

Overall
Fair
Deck
5
Fair
Superstructure
5
Fair
Substructure
6
Satisfactory

Condition Ratings

ComponentRatingDescription
Deck 5 Fair
Superstructure 5 Fair
Substructure 6 Satisfactory

Location

46.648281, -111.728292

This bridge is in worse condition than 84.3% of bridges in County 049. The average bridge in Montana is 0 years old; this one is 76 years old.

Nearby Bridges

CANYON FERRY RD over HELENA VALLEY CANAL
Good Built 2010
KEIR LN over SPOKANE CREEK 143
Good Built 2004
YORK RD over TROUT CREEK
Good Built 1982
HART LN over HELENA VALLEY CANAL 088
Fair Built 1957
BLACK BEAR RD over TROUT CREEK 141
Good Built 2000
YORK RD over MISSOURI RIVER
Fair Built 1982
CANYON FERRY RD over HELENA VALLEY CANAL
Good Built 2009
LAKE HELENA DR over HELENA VALLEY CANAL 073
Good Built 2004
LAKE HELENA DR over CAUSEWAY-LAKE HELENA 072
Fair Built 1944
VALLEY DR over HELENA VALLEY CANAL 074
Good Built 2000

Bridge Details

Structure #
MTA-CF-001
Year Built
1950
Length
70.2 m (230.3 ft)
Max Span
17.4 m
Width
8.3 m (27.2 ft)
Lanes
2
Daily Traffic
600
Material
Steel
Design
Girder and Floorbeam System
Owner
Bureau of Reclamation
Last Inspected
N/A
Est. Improvement
$0
Total Project Cost
$0
Data from FHWA National Bridge Inventory. Bridge conditions may have changed since the last inspection. This site is not affiliated with FHWA. Do not use for route clearance purposes.