Modoc County, CA
87 public highway bridges
Modoc County Bridge Snapshot
Modoc County, California contains 87 public highway bridges in the FHWA National Bridge Inventory. Roughly 49.4% are rated “Good,” 49.4% “Fair,” 1.1% “Poor,” and 1.1% 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 CA 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.
Condition Distribution
All Bridges (87)
CR 111
GoodOver: J 14 B CANAL
1.1 MI N SH 139, Modoc, CA
CR 111
GoodOver: J 14 A CANAL
2.6 MI N OF SH 139, Modoc, CA
STATE ROUTE 299
GoodOver: ROCK CREEK
02-MOD-299-37.16, Modoc, CA
CR 54/CENTERVILLE
GoodOver: CANYON CREEK
9.1 MI S/E OF SH 299, Modoc, CA
CENTERVILLE RD
GoodOver: TOMS CREEK
3.2 MI S/E OF SH 299, Modoc, CA
COUNTY ROAD 70
GoodOver: PIT RIVER
.8 MI N OF CENTERVILLE RD, Modoc, CA
IRR CR 111
GoodOver: NO 46 DRAIN
0.6 MI S OF SH 139, Modoc, CA
CENTERVILLE RD
GoodOver: SOUTH BRANCH PIT RIVER
0.6 MI S OF SH 299, Modoc, CA
CENTERVILLE RD
GoodOver: MIDDLE BRANCH PIT RIVER
0.4 MI SOUTH OF SH 299, Modoc, CA
CENTERVILLE RD
GoodOver: SOUTH FORK PIT RIVER
0.6MI S OF CARLOS ST, Modoc, CA
STATE ROUTE 299
GoodOver: RUSH CREEK
02-MOD-299-8.07, Modoc, CA
39N50
GoodOver: ASH CREEK
3 MI PAST DAN RYAN PLACE, Modoc, CA
STATE ROUTE 299
GoodOver: RUSH CREEK
02-MOD-299-6.32, Modoc, CA
CR 111
GoodOver: 45 D DRAIN
1.15 MI N OF SH 139, Modoc, CA
IRR CO RD 87
GoodOver: PIT RIVER SLOUGH
0.1 MI N LKOUT HAKMORE RD, Modoc, CA
STATE ROUTE 299
GoodOver: CLOVERSWALE CREEK
02-MOD-299-27.43, Modoc, CA
STATE ROUTE 299
GoodOver: NORTH FORK ASH CREEK
02-MOD-299-3.38, Modoc, CA
STATE ROUTE 299
GoodOver: CALDWELL CREEK
02-MOD-299-23.34, Modoc, CA
STATE ROUTE 299
GoodOver: BUTTE CREEK
02-MOD-299-0.51, Modoc, CA
STATE ROUTE 299
GoodOver: ASH CREEK
02-MOD-299-1.02, Modoc, CA
CR 90
GoodOver: HALLS CREEK
1.0 MI E C.R. 91, Modoc, CA
CO RD 69
GoodOver: PIT RIVER
2.7 MI S HWY 299, Modoc, CA
IRR CO ROAD 90
GoodOver: PIT RIVER
MOD CTY, Modoc, CA
IRR CO RD 90
GoodOver: PIT RIVER OVERFLOW
0.3 MI EAST OF LOOKOUT RD, Modoc, CA
JONES LN -CO RD 61
GoodOver: WESTSIDE CANAL
0.7 MI W OF SH 395, Modoc, CA
COUNTY ROAD 45
GoodOver: PINE CREEK
0.2 MI S OF STATELINE RD, Modoc, CA
COUNTY ROAD 86
GoodOver: RUSH CREEK
EAST OF STATE ROUTE 299, Modoc, CA
IRR BIA RTE 76
GoodOver: MUD CREEK
7 KM NE OF ALTURAS, Modoc, CA
CR 111
GoodOver: J CANAL
2.6 MI S OF SH 139, Modoc, CA
IRR CO RD 87
GoodOver: MAMATH SLOUGH
0.5 MI NE CR 91, Modoc, CA
IRR CO RD 87
GoodOver: ROBERTS SLOUGH
0.9 MI NE LKOT HKAMORE RD, Modoc, CA
IRR ADIN-LKT CR87
GoodOver: ROBERTS SLOUGH
1.0 MI NE LKOT-HCKMORE RD, Modoc, CA
Kowolski Road
GoodOver: Clear Lake Dam spillway
40 mi SE of Klamath Falls, Modoc, CA
U.S. HIGHWAY 395
GoodOver: SOUTH FORK PIT RIVER
02-MOD-395-R19.64, Modoc, CA
STATE ROUTE 299
GoodOver: RATTLESNAKE CREEK
02-MOD-299-37.80, Modoc, CA
IRR LKOUT-HKMORE R
GoodOver: PIT RIVER OVERFLOW
1.2 MI S C.R. 87, Modoc, CA
STATE ROUTE 299
Structurally DeficientOver: PIT RIVER
02-MOD-299-17.95, Modoc, CA
Read our methodology — how this data is sourced, computed, and verified.
Related
| Publisher | Kiznis Studio |
| Sources | FHWA National Bridge Inventory, public U.S. government datasets |