US Bridges

Franklin County, Idaho bridges

Franklin County has 23 bridges and culverts in the National Bridge Inventory, the oldest built in 1926. 2 (9%) are rated poor. The most common type is stringer/multi-beam or girder (57%).

Bridges
23
Good
13%
Fair
78%
Poor
9%
2 bridges
Average age
50.9 yrs
Posted or closed
5

Map of bridges in Franklin County

Green good, amber fair, red poor. Click a marker for details.

Search bridges in Franklin County

Type at least two characters, or pick a condition or type, to search every bridge in the county.

Condition

9%poor
Good13%(3)
Fair78%(18)
Poor9%(2)

When they were built

<1900: 0 bridges<19001900s: 0 bridges19001910s: 0 bridges19101920s: 1 bridges119201930s: 1 bridges119301940s: 0 bridges19401950s: 5 bridges519501960s: 4 bridges419601970s: 3 bridges319701980s: 2 bridges219801990s: 2 bridges219902000s: 3 bridges320002010s: 2 bridges220102020s: 0 bridges2020
Bridges built per decade. Year built as recorded in the inventory; reconstruction years are not included.

Busiest

  1. US 91 over Cub River
    8,600 vehicles/day
    Fair
  2. US 91 over Bear River
    4,200 vehicles/day
    Fair
  3. SH 36 over Bear River
    3,000 vehicles/day
    Good
  4. SH 34 over Bear River;riverdale Br
    2,800 vehicles/day
    Fair
  5. US 91 over West Cache Canal
    2,300 vehicles/day
    Good

Longest

  1. SH 34 over Bear River;cleveland Br.
    280 ft
    Fair
  2. SH 36 over Bear River
    274 ft
    Good
  3. US 91 over Bear River
    241 ft
    Fair
  4. STC1769;E Thatcher over Bear River;thatcher Br.
    227 ft
    Fair
  5. SH 34 over Bear River;riverdale Br
    216 ft
    Fair

Oldest

  1. Parkinson Road over Cub River
    Built 1926
    Poor
  2. E. Riverdale RD over Bear River
    Built 1931
    Fair
  3. SH 34 over Bear River;cleveland Br.
    Built 1953
    Fair
  4. Weston-Fairview RD over Bear River;e.Weston Br.
    Built 1956
    Poor
  5. SH 34 over Trout Creek
    Built 1957
    Fair

All bridges in Franklin County

Busiest first · showing 1–23 of 23
Bridges in Franklin County
BridgeLocationBuiltTypeLengthDaily trafficCondition
US 91 over Cub River
No. 000000000017456
0.6 N. Franklin2006Stringer/Multi-beam or Girder74 ft8,600Fair
US 91 over Bear River
No. 000000000017466
2.2 N. Preston2006Stringer/Multi-beam or Girder241 ft4,200Fair
SH 36 over Bear River
No. 000000000014101
1.0 W. Preston2018Stringer/Multi-beam or Girder274 ft3,000Good
SH 34 over Bear River;riverdale Br
No. 000000000013985
5.1 N. Preston1960Stringer/Multi-beam or Girder216 ft2,800Fair
US 91 over West Cache Canal
No. 000000000017471
3.2 N. Preston1993Culvert24 ft2,300Good
SH 36 over Bear River
No. 000000000014075
3.5 E. JCT SH 34 & SH 361960Stringer/Multi-beam or Girder113 ft1,300Fair
SH 34 over Twin Lakes Canal
No. 000000000013990
6.2 N. Preston1958Frame26 ft1,200Fair
SH 34 over Cottonwood Creek
No. 000000000013995
22 N. Preston1971Frame27 ft1,100Fair
SH 34 over Bear River;cleveland Br.
No. 000000000014000
23.3 N. Preston1953Stringer/Multi-beam or Girder280 ft1,100Fair
SH 34 over Trout Creek
No. 000000000014010
11.9 S. Grace1957Frame24 ft1,100Fair
Weston-Fairview RD over Bear River;e.Weston Br.
No. 000000000023360
0.8 S. 3.3 E. Weston1956Tee Beam175 ft1,000Poor
E 4800 S over Cub River;w.Franklin Br.
No. 000000000023370
0.1 S. 0.8 W. Franklin1959Frame30 ft550Fair
SH 36 over Mink Creek
No. 000000000014086
8.6 E. SH 34/SH 36 JCT2015Slab52 ft440Good
Parkinson Road over Cub River
No. 000000000023345
In Franklin;parkinson Rd.1926Stringer/Multi-beam or Girder51 ft310Poor
STC1769;E Thatcher over Bear River;thatcher Br.
No. 000000000019160
0.5 W. Thatcher1984Stringer/Multi-beam or Girder227 ft110Fair
N 2200 W over West Cache Canal
No. 000000000023373
2.1 N. 2.8 W. Preston1960Stringer/Multi-beam or Girder36 ft100Fair
E. Riverdale RD over Bear River
No. 000000000023350
4.8 N. 2.3 E. Preston1931Truss - Thru104 ft70Fair
County Road over Cub River;s.Mapleton Br
No. 000000000023320
1.7 S. 6.1 E. Preston1979Stringer/Multi-beam or Girder27 ft50Fair
S 3200 E over Cub River;ne.Franklin Br
No. 000000000023355
1.2 N. 0.3 E. Franklin1970Culvert30 ft50Fair
Oneida Narrows RD over Bear River (redpoint Br)
No. 000000000023365
9.2 N. 5.5 E. Preston1980Stringer/Multi-beam or Girder104 ft50Fair
Campground Road over Cub River
No. 040503000001004
No Data Entered1964Stringer/Multi-beam or Girder38 ft30Fair
E Sugar Creek Road over Cub Creek
No. 000000000023323
0.1 E. Mapleton2001Stringer/Multi-beam or Girder42 ft20Fair
Foster Creek RD over Cub River;foster Crk Br.
No. 000000000023331
7.3 E. Preston1998Frame27 ft20Fair

Structure types in Franklin County

Stringer/Multi-beam or Girder1356.5%
Frame521.7%
Culvert28.7%
Truss - Thru14.3%
Tee Beam14.3%
Slab14.3%

Other counties in Idaho