Tehama County Bridge Report Card

Tehama County scores 70 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

C70 / 100

Local infrastructure snapshot

Tehama County, California

Tehama County has 447 bridges in the National Bridge Inventory, with 21 rated poor and 27 rated scour-critical. Its poor-condition share of 4.7% is at or below the 4.9% statewide average. Poor-condition bridges carry about 35,746 daily vehicle crossings.

447Total Bridges

21Poor (4.7%)

259Fair (57.9%)

27Scour-Critical

Quote-Ready Local Facts

4.7%of county bridges are in poor condition, compared with 4.9% statewide and 6.7% nationally.

35,746daily vehicle crossings are on poor-condition bridges in the county.

27bridges are rated scour-critical, or 6.0% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Tehama County a Bridge Condition Exposure Score of 70/100 (C). The county has 447 bridges in the National Bridge Inventory, including 21 in poor condition and 27 rated scour-critical. Poor-condition bridges carry about 35,746 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	4.7%	9.4
Poor-condition traffic exposure	25	2.2% of measured traffic	1.7
Scour-critical bridge share	20	6.0%	12.1
Average age vs national baseline	10	65 years vs 48 nationally	6.7
Traffic-data completeness	5	1,601,870 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	4.7%
State Poor-Condition Share	4.9%
National Poor-Condition Share	6.7%
County Scour-Critical Share	6.0%
Average Bridge Age	65 years
Poor-Condition Traffic Exposure	35,746 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeSouth AVE over Sacramento River — 6,000 vehicles/day Oldest Listed BridgeState Route 99 over Los Molinos Creek — built in 1900 All County BridgesBrowse every bridge record in Tehama County.

Top Bridges to Watch in Tehama County

Bridge	Reason	Condition	Daily Traffic	Year Built
South AVE over Sacramento River	Poor condition + traffic exposure	Poor	6,000	1975
Baker(oconner) RD over Brickyard Creek	Poor condition + traffic exposure	Poor	3,000	1960
Old HWY 99 W over Brannin Creek	Poor condition + traffic exposure	Poor	2,799	1914
Old HWY 99 W over Moore Creek	Poor condition + traffic exposure	Poor	1,922	1914
State Route 36 over Sheep Gulch	Poor condition + traffic exposure	Poor	1,375	1961
Capay RD over Moore Creek	Poor condition + traffic exposure	Poor	982	1919
Sixty-eighth AVE over South Fork Antelope Crk	Poor condition + traffic exposure	Poor	500	1929
Leininger RD over Juniper Gulch	Poor condition + traffic exposure	Poor	232	1975
Vestal Road over Coldfork Cottonwood Crk	Poor condition + traffic exposure	Poor	60	1921
Lowrey Road over Nevada Creek	Poor condition + traffic exposure	Poor	50	1940

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.