Tillamook County Bridge Report Card

Tillamook County scores 62 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

D62 / 100

Local infrastructure snapshot

Tillamook County, Oregon

Tillamook County has 228 bridges in the National Bridge Inventory, with 15 rated poor and 28 rated scour-critical. Its poor-condition share of 6.6% is above the 5.1% statewide average. Poor-condition bridges carry about 32,373 daily vehicle crossings.

228Total Bridges

15Poor (6.6%)

145Fair (63.6%)

28Scour-Critical

Quote-Ready Local Facts

6.6%of county bridges are in poor condition, compared with 5.1% statewide and 6.7% nationally.

32,373daily vehicle crossings are on poor-condition bridges in the county.

28bridges are rated scour-critical, or 12.3% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Tillamook County a Bridge Condition Exposure Score of 62/100 (D). The county has 228 bridges in the National Bridge Inventory, including 15 in poor condition and 28 rated scour-critical. Poor-condition bridges carry about 32,373 daily vehicle crossings. Poor condition does not mean unsafe; bridges judged unsafe are closed or restricted by transportation agencies.

Download all county report-card scores as CSV.

How the Score Breaks Down

Factor	Weight	County Value	Penalty
Poor-condition bridge share	40	6.6%	13.2
Poor-condition traffic exposure	25	6.1% of measured traffic	4.6
Scour-critical bridge share	20	12.3%	20.0
Average age vs national baseline	10	47 years vs 48 nationally	0.0
Traffic-data completeness	5	532,651 measured daily crossings	0.0

Score = 100 minus weighted penalties. The score is a comparative research signal, not an official safety rating. Read the full methodology.

County Comparisons

County Poor-Condition Share	6.6%
State Poor-Condition Share	5.1%
National Poor-Condition Share	6.7%
County Scour-Critical Share	12.3%
Average Bridge Age	47 years
Poor-Condition Traffic Exposure	32,373 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeUs101 (hwy 9) over Kilchis R. & Possetti RD — 13,357 vehicles/day Oldest Listed BridgeUs101 (hwy 9) over West Beaver Creek — built in 1914 All County BridgesBrowse every bridge record in Tillamook County.

Top Bridges to Watch in Tillamook County

Bridge	Reason	Condition	Daily Traffic	Year Built
Us101 (hwy 9) over Kilchis R. & Possetti RD	Poor condition + traffic exposure	Poor	13,357	1952
Or 6 (hwy 37) over Wilson River	Poor condition + traffic exposure	Poor	5,092	1939
Or 22 (hwy 32) over Louie Creek	Poor condition + traffic exposure	Poor	1,724	1962
HWY 130 over Panther Creek	Poor condition + traffic exposure	Poor	717	1957
Foss Road over Cronin Creek	Poor condition + traffic exposure	Poor	92	1984
Blum Lane over Dougherty Slough	Poor condition + traffic exposure	Poor	15	1989
HWY 131 over Trask River	Poor condition + traffic exposure	Poor	5,192	1948
HWY 131 over Tillamook River	Poor condition + traffic exposure	Poor	4,701	1962
HWY 130 over Little Nestucca River	Poor condition + traffic exposure	Poor	576	1934
HWY 130 over Little Nestucca River	Poor condition + traffic exposure	Poor	576	1952

Important safety note

Poor condition does not mean a bridge is unsafe. It means at least one major component has significant deterioration and the bridge is a priority for maintenance, repair, or replacement. Bridges judged unsafe are closed or restricted by transportation agencies.