Buffalo County Bridge Report Card

Buffalo County scores 76 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

C76 / 100

Local infrastructure snapshot

Buffalo County, Wisconsin

Buffalo County has 239 bridges in the National Bridge Inventory, with 20 rated poor and 2 rated scour-critical. Its poor-condition share of 8.4% is above the 6.7% statewide average. Poor-condition bridges carry about 15,222 daily vehicle crossings.

239Total Bridges

20Poor (8.4%)

76Fair (31.8%)

2Scour-Critical

Quote-Ready Local Facts

8.4%of county bridges are in poor condition, compared with 6.7% statewide and 6.7% nationally.

15,222daily vehicle crossings are on poor-condition bridges in the county.

2bridges are rated scour-critical, or 0.8% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Buffalo County a Bridge Condition Exposure Score of 76/100 (C). The county has 239 bridges in the National Bridge Inventory, including 20 in poor condition and 2 rated scour-critical. Poor-condition bridges carry about 15,222 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	8.4%	16.7
Poor-condition traffic exposure	25	7.1% of measured traffic	5.3
Scour-critical bridge share	20	0.8%	1.7
Average age vs national baseline	10	39 years vs 48 nationally	0.0
Traffic-data completeness	5	215,472 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	8.4%
State Poor-Condition Share	6.7%
National Poor-Condition Share	6.7%
County Scour-Critical Share	0.8%
Average Bridge Age	39 years
Poor-Condition Traffic Exposure	15,222 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeSth 35 over Slough — 2,100 vehicles/day Oldest Listed BridgeLrd Mun154-old Duk over N Channel Mississippi Ri — built in 1916 All County BridgesBrowse every bridge record in Buffalo County.

Top Bridges to Watch in Buffalo County

Bridge	Reason	Condition	Daily Traffic	Year Built
Sth 35 over Slough	Poor condition + traffic exposure	Poor	2,100	1933
Sth 35 over Slough	Poor condition + traffic exposure	Poor	2,100	1933
Sth 35 over Slough	Poor condition + traffic exposure	Poor	2,100	1933
Sth 35 over Slough	Poor condition + traffic exposure	Poor	2,100	1933
Sth 35 over Slough	Poor condition + traffic exposure	Poor	2,100	1933
Sth 35 over Slough	Poor condition + traffic exposure	Poor	2,100	1933
Cth A over Farrington Creek	Poor condition + traffic exposure	Poor	726	1954
Cth P over Trempealeau River	Poor condition + traffic exposure	Poor	325	1955
Cth D over Norwegian Valley Creek	Poor condition + traffic exposure	Poor	303	1928
Cth G over Br Eagle River	Poor condition + traffic exposure	Poor	303	1969

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.