Idaho County, ID

130 public highway bridges

Idaho County Bridge Snapshot

Idaho County, Idaho contains 130 public highway bridges in the FHWA National Bridge Inventory. Roughly 37.7% are rated “Good,” 54.6% “Fair,” 7.7% “Poor,” and 7.7% are classified as structurally deficient — the federal designation for spans whose deck, superstructure, or substructure has been rated 4 or below on the 0–9 NBI scale. Structurally deficient does not mean unsafe to cross; it means the bridge is on the priority list for repair or replacement.

Inspections in ID are conducted by certified engineers from the state Department of Transportation on a 24-month cycle, and results are reported back to the FHWA each spring. The list below shows every NBI-tracked bridge in the county, sorted by inventory load rating. Use the “Sort by” controls to surface the lowest-rated spans first, and click any row for full inspection history, traffic counts, and condition trends.

Source: FHWA National Bridge Inventory. See methodology for full definitions.

130
Total Bridges
37.7%
Good
7.7%
Poor
7.7%
Structurally Deficient

Condition Distribution

Good
37.7% (49)
Fair
54.6% (71)
Poor
7.7% (10)
SD
7.7% (10)

All Bridges (130)

NO DATA ENTERED

Good

Over: HAZARD CREEK

NO DATA ENTERED, Idaho, ID

Built 1965 Load: 35.0 t ADT: 50

NO DATA ENTERED

Good

Over: DEEP CR

NO DATA ENTERED, Idaho, ID

Built 2018 Load: 35.6 t ADT: 5

FOREST ROAD 309

Good

Over: MILL CREEK

1.9 MI. FROM STATE HWY 14, Idaho, ID

Built 2011 Load: 36.6 t ADT: 30

NO DATA ENTERED

Good

Over: NO DATA ENTERED

NO DATA ENTERED, Idaho, ID

Built 2018 Load: 36.9 t ADT: 30

NO DATA ENTERED

Good

Over: CAYUSE CREEK

NO DATA ENTERED, Idaho, ID

Built 2017 Load: 37.9 t ADT: 15

COMPOUND ROAD

Good

Over: SOUTH FORK RED RIVER

RED RIVER R.S. ADMIN SITE, Idaho, ID

Built 1971 Load: 37.9 t ADT: 40

LOLO CREEK ROAD

Good

Over: LOLO CREEK

1.2 S. 4.6 E. WOODLAND, Idaho, ID

Built 1981 Load: 38.1 t ADT: 30

ROAD 492

Good

Over: TEN MILE CREEK

NO DATA ENTERED, Idaho, ID

Built 2012 Load: 38.6 t ADT: 50

NO DATA ENTERED

Good

Over: CROOKED FORK CREEK

CROOKED FK-RD 111, Idaho, ID

Built 1970 Load: 38.9 t ADT: 50

FSR 107

Good

Over: GRAVE CREEK

NO DATA ENTERED, Idaho, ID

Built 2014 Load: 38.9 t ADT: 15

NFSR 223

Good

Over: GLOVER CREEK

15 MILES FROM LOWELL, Idaho, ID

Built 2014 Load: 39.9 t ADT: 40

FOREST ROAD 1858

Good

Over: NEWSOME CREEK

NEWSOME TOWN SITE, Idaho, ID

Built 1966 Load: 40.2 t ADT: 40

ZUMWALT ROAD

Good

Over: S.FK. COTTONWOOD CREEK

4.8 N. 3.0 W. GRANGEVILLE, Idaho, ID

Built 2017 Load: 40.8 t ADT: 50

FDR 103

Good

Over: CAMP CREEK

23 MILES FROM PIERCE, ID, Idaho, ID

Built 1968 Load: 40.8 t ADT: 30

NO DATA ENTERED

Good

Over: NO DATA ENTERED

WENDOVER CAMP GROUND, Idaho, ID

Built 2011 Load: 41.1 t ADT: 40

NFSR 50246

Good

Over: LAKE CREEK

NO DATA ENTERED, Idaho, ID

Built 1976 Load: 41.1 t ADT: 40

NO DATA ENTERED

Good

Over: GABE CREEK

NO DATA ENTERED, Idaho, ID

Built 2004 Load: 47.6 t ADT: 40

FDR 369

Good

Over: BRUSHY FORK CREEK

9 MI EAST OF POWELL RS, Idaho, ID

Built 1993 Load: 51.5 t ADT: 60

STEAMBOAT ROAD

Good

Over: STEAMBOAT CREEK

STEAMBOAT FORD SITE, Idaho, ID

Built 2007 Load: 56.4 t ADT: 5

GROUSE CR-MARSHAL

Good

Over: GROUSE CREEK

ON THE GROUSE CREEK ROAD, Idaho, ID

Built 2004 Load: 62.2 t ADT: 50

FOREST ROAD 2038

Poor

Over: SLATE CREEK

NO DATA ENTERED, Idaho, ID

Built 1953 Load: 14.3 t ADT: 50

FDR 103

Poor

Over: YOOSA CREEK

YOOSA CREEK BRIDGE, Idaho, ID

Built 1963 Load: 30.5 t ADT: 40

FDR 500

Poor

Over: ELDORADO CREEK

32 MILES FROM KAMIAH, ID, Idaho, ID

Built 1967 Load: 31.1 t ADT: 99

FDR 520

Poor

Over: YOOSA CREEK

27 MILES FROM PIERCE, Idaho, ID

Built 1963 Load: 34.0 t ADT: 40

FOREST ROAD 357

Structurally Deficient

Over: RUNNING CR

NO DATA ENTERED, Idaho, ID

Built 1956 Load: 14.6 t ADT: 50

FOREST ROAD 421

Structurally Deficient

Over: LITTLE MALLARD CREEK

AT SALMON RIVER, Idaho, ID

Built 1984 Load: 14.6 t ADT: 50

FOREST ROAD 651

Structurally Deficient

Over: SELWAY RIVER-OHARA

7 MI. FROM LOWELL, ID, Idaho, ID

Built 1956 Load: 21.7 t ADT: 50

FOREST ROAD 1614

Structurally Deficient

Over: FRENCH CREEK

18 MI. FROM RIGGINS, ID, Idaho, ID

Built 1957 Load: 27.9 t ADT: 50

RD 360

Structurally Deficient

Over: SAVAGE CREEK

10 MI FROM POWELL RS, Idaho, ID

Built 2006 Load: 31.8 t ADT: 10

CROOKED RIVER ROAD

Structurally Deficient

Over: UPPER CROOKED RIVER

30.2 E 12.6 S GRANGEVILLE, Idaho, ID

Built 1965 Load: 40.8 t ADT: 50

Read our methodology — how this data is sourced, computed, and verified.

Related

Browse all → | Rankings →
Data sourced from official U.S. government datasets. See our methodology for details. Retrieved and formatted by PlainBridges Editorial