Total bridges
79
Public highway bridges in Crook County
County profile · official public datasets
79 public highway bridges tracked in the FHWA National Bridge Inventory: 46.8% rated Good, 53.2% Fair, 0% Poor.
The verdict
According to the Federal Highway Administration's 2024 National Bridge Inventory.
Crook County pairs a top-5% lowest Poor-condition share among rated counties in the state with a newer average build year than the state inventory.
Poor is an FHWA condition category from the lowest applicable component rating (4 or below), not a live crossing-safety or closure decision. Rankings cover counties with at least five public highway bridges.
According to the Federal Highway Administration's 2024 National Bridge Inventory, Crook County ranks #1 of 36 Oregon counties with at least 5 public highway bridges on Poor-condition share (lower share ranks better; currently 0%). Crook County, Oregon contains 79 public highway bridges. Roughly 46.8% are rated “Good,” 53.2% “Fair,” and 0% “Poor.” Poor means the lowest applicable deck, superstructure, substructure, or culvert rating is 4 or below on the 0–9 NBI scale. It is a condition category, not a live safety or closure decision.
Responsible agencies inspect covered bridges on risk-based intervals under current NBIS rules and submit inventory data to FHWA annually. The list below shows every NBI-tracked bridge in the county. Use the “Sort by” controls to change the ordering, and click any row for its reported inspection date, traffic count, and condition fields.
Source: FHWA National Bridge Inventory. See methodology for full definitions.
Total bridges
79
Public highway bridges in Crook County
Good condition
46.8%
37 of 79 rated 7-9
Fair condition
53.2%
42 of 79 rated 5-6
Poor condition
0%
0 of 79 rated 4 or below
In-state Poor-share rank
#1 of 36
Among Oregon counties with 5+ bridges, lower share ranks better
Share of 79 NBI-tracked bridges by lowest applicable component rating.
35 of the 79 bridges with a recorded construction year were built in 1974 or earlier. Age alone is not a defect: a well-maintained older bridge can rate Good, and 46.8% of this county's inventory does. Even so, this older cohort is the population from which future Poor ratings are drawn, which is why the age profile below matters alongside the condition split above.
Cutoff derives from the 2024 release year minus a 50-year design life. Source: FHWA National Bridge Inventory, 2024 release.
79 bridges with a recorded construction year, grouped by decade
1940–1949
4 bridges
1950–1959
11 bridges
1960–1969
18 bridges
1970–1979
4 bridges
1980–1989
16 bridges
1990–1999
8 bridges
2000–2009
13 bridges
2010–2019
4 bridges
2020–2029
1 bridges
What this shows Construction peaked in the 1960s, when 18 of the county's bridges still in the inventory were built, which is 22.8% of those with a recorded year. That cohort is now 55 to 64 years old in the 2024 inventory. Its average build year is 1980, 5 years newer than the Oregon average of 1975.
The 5 Oregon counties nearest Crook County in number of bridges, with their condition splits. Its 0% Poor share is the 1st-lowest of these 6. Its average build year of 1980 against a peer-group mean of 1976 is in line with the group.
Showing the 5 closest of 35 Oregon counties eligible for comparison.
| County | Bridges | Good | Fair | Poor | Avg. built |
|---|---|---|---|---|---|
| Curry County | 101 | 31.7% | 64.4% | 4% | 1969 |
| Lake County | 94 | 47.9% | 45.7% | 6.4% | 1981 |
| Hood River County | 82 | 48.8% | 48.8% | 2.4% | 1977 |
| Jefferson County | 80 | 46.3% | 46.3% | 7.5% | 1980 |
| Crook County (this page) | 79 | 46.8% | 53.2% | 0% | 1980 |
| Morrow County | 70 | 45.7% | 51.4% | 2.9% | 1975 |
Each share is of that county's own total tracked bridges; peers are the counties with 5 or more bridges whose inventory size is closest to Crook County's. Source: FHWA National Bridge Inventory, 2024 release.
Two NBI-derived peer sets for Crook County, both outside Oregon so the neighborhoods are not the same-state size table above.
Nearest county inventories outside OR (79 bridges here).
Nearest mean year-built outside OR (1980 here).
Source: FHWA National Bridge Inventory, 2024 release. Peers floor at 10 bridges so stub inventories cannot own the match.
Over: CAMP CREEK
.7 MI DN 2220 FR 22/2220, Crook, OR
Over: CROOKED RIVER
RD17 .4 MI FROM HWY, Crook, OR
Over: CROOKED RIVER
ON RD16 8.13MI FROM POST, Crook, OR
Over: IRRIGATION DITCH
025 MI S PRINEVILLE S LMT, Crook, OR
Over: TUCANNON RIVER
1/4 MI WEST OF HATCHERY, Crook, OR
Over: N UNIT OCHOCO MAIN CANAL
039 MI E HWY 4 JCT, Crook, OR
Over: CAMP CREEK
436 MI SE PRINEVILLE, Crook, OR
Over: BEAR CREEK
138 MI N HWY 7 JCT, Crook, OR
Over: POWELL BUTTE CANAL
023 MI S HWY 41 JCT, Crook, OR
Over: CENTRAL OREGON CANAL
037 MI E POWWELL BTE JCT, Crook, OR
Over: BEAVER CREEK
003 MI E PAULINA, Crook, OR
Over: OCHOCO MAIN CANAL
010 MI NORTH OF HWY NO 41, Crook, OR
Over: N FK CROOKED RIVER
172 MI W PAULINA, Crook, OR
Over: OCHOCO CREEK
0.5 MI E OF HWY 26, Crook, OR
Over: BEAR CREEK
176 MI N HWY 7 JCT, Crook, OR
Over: LITTLE BEAR CREEK
00.1 M EAST OF HWY NO 14, Crook, OR
Over: BEAVER CREEK
521 MI SE PRINEVILLE, Crook, OR
Over: NORTH FORK CROOKED RIVER
19.2MI SE OF 42 22 JCT, Crook, OR
Over: IRRIGATION DITCH
01.0 SOUTH HWY NO 41, Crook, OR
Over: SOUTH FK CROOKED RIVER
169 MI W PAULINA, Crook, OR
Over: MILL CREEK
.1MI S OF 33 3350 JCT, Crook, OR
Over: MILL CREEK
.1MI UP 3300-500 FR 3300, Crook, OR
Over: IRRIGATION DITCH
01.4 MI SOUTH OF HWY NO41, Crook, OR
Over: FLOOD CONTROL CHANNEL
EAST PORTLAND, Crook, OR
Over: DEEP CREEK
.1MI E OF 42 4250 JCT, Crook, OR
Over: PAULINA CREEK
4.7 MI N OF PAULINA, Crook, OR
Over: IRRIGATION DITCH
042 MI S PRINEVILLE S LMT, Crook, OR
Over: POWELL BUTTE CANAL
029 MI S HWY 41 JCT, Crook, OR
Over: IRRIGATION DITCH
015 MI S PRINEVILLE S LMT, Crook, OR
Over: S FK CROOKED RIVER
051 MI W PAULINA, Crook, OR
Over: OCHOCO CREEK
0.3 MI S JCT HWY 41, Crook, OR
Over: MILL CREEK
.2MI UP 3300-300 FR 3300, Crook, OR
Over: DEEP CREEK
.1MI E OF 4250 4254 JCT, Crook, OR
Over: CROOKED RIVER
002 MI SOUTH HWY 380, Crook, OR
Over: MARKS CREEK
UP 2610 .2 MI FROM RD26, Crook, OR
Over: DRY CREEK
0.1 M SW FROM JCT W/3370, Crook, OR
Over: DRY CREEK
066 MI SOUTH OF JCT RD 21, Crook, OR
Over: CAMP CREEK
035 MI SOUTH JCT HWY 380, Crook, OR
Over: OCHOCO IRRIGATION CANAL
050 MI E PRINEVILLE, Crook, OR
Over: AQUADUCT MCKAY CREEK
13 MI NW OF PRINEVILLE, Crook, OR
Over: BEAR CREEK
001 MI E JCT HWY NO 14, Crook, OR
Over: PAULINA CREEK
8.6 MI N OF PAULINA, Crook, OR
Over: MARKS CREEK
110 MI SW OCHOCO WHEELER, Crook, OR
Over: MARKS CREEK
106 MI SW CROOK WHEELER L, Crook, OR
Over: DRY CREEK
632 MI S PRINEVILLE, Crook, OR
Over: CROOKED RIVER
193 MI S PRINEVILLE S LMT, Crook, OR
Over: BARNES BUTTE CANAL
004 MI E MCKAY RD INT, Crook, OR
Over: IRRIGATION DITCH
2.45 on Riggs Rd., Crook, OR
Over: CROOKED RIVER
AT FOREST CROSSING, Crook, OR
Over: MC KAY CREEK
225 MI NO OF PRINEVILLE, Crook, OR
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.