Decatur County Bridge Report Card

Decatur County scores 80 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

B80 / 100

Local infrastructure snapshot

Decatur County, Kansas

Decatur County has 157 bridges in the National Bridge Inventory, with 14 rated poor and 1 rated scour-critical. Its poor-condition share of 8.9% is above the 5.2% statewide average. Poor-condition bridges carry about 235 daily vehicle crossings.

157Total Bridges

14Poor (8.9%)

71Fair (45.2%)

1Scour-Critical

Quote-Ready Local Facts

8.9%of county bridges are in poor condition, compared with 5.2% statewide and 6.7% nationally.

235daily vehicle crossings are on poor-condition bridges in the county.

1bridges are rated scour-critical, or 0.6% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Decatur County a Bridge Condition Exposure Score of 80/100 (B). The county has 157 bridges in the National Bridge Inventory, including 14 in poor condition and 1 rated scour-critical. Poor-condition bridges carry about 235 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	8.9%	17.8
Poor-condition traffic exposure	25	0.7% of measured traffic	0.5
Scour-critical bridge share	20	0.6%	1.3
Average age vs national baseline	10	49 years vs 48 nationally	0.5
Traffic-data completeness	5	33,213 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	8.9%
State Poor-Condition Share	5.2%
National Poor-Condition Share	6.7%
County Scour-Critical Share	0.6%
Average Bridge Age	49 years
Poor-Condition Traffic Exposure	235 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeL Lane over Prairie Dog Creek — 30 vehicles/day Oldest Listed Bridge8s Road (rs 902) over Trib. To Prairie Dog Ck. — built in 1930 All County BridgesBrowse every bridge record in Decatur County.

Top Bridges to Watch in Decatur County

Bridge	Reason	Condition	Daily Traffic	Year Built
2500 Road over Prairie Dog Creek	Poor condition + traffic exposure	Poor	15	1936
L Lane over Prairie Dog Creek	Poor condition + traffic exposure	Poor	30	1953
Y5 Lane over Sappa Creek Tributary	Poor condition + traffic exposure	Poor	25	1946
400 Road over Beaver Creek	Poor condition + traffic exposure	Poor	20	1942
Y Lane over Beaver Creek	Poor condition + traffic exposure	Poor	20	1950
Y Lane over Beaver Creek	Poor condition + traffic exposure	Poor	20	1950
1900 Road over Big Timber Creek	Poor condition + traffic exposure	Poor	20	1955
H Lane over Prairie Dog Creek	Poor condition + traffic exposure	Poor	15	1937
Y Lane over Beaver Creek	Poor condition + traffic exposure	Poor	15	1947
N Lane over Plum Creek	Poor condition + traffic exposure	Poor	15	1957

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.