Bureau County Bridge Report Card

Bureau County scores 65 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

D65 / 100

Local infrastructure snapshot

Bureau County, Illinois

Bureau County has 374 bridges in the National Bridge Inventory, with 60 rated poor and 0 rated scour-critical. Its poor-condition share of 16.0% is above the 9.5% statewide average. Poor-condition bridges carry about 20,040 daily vehicle crossings.

374Total Bridges

60Poor (16.0%)

173Fair (46.3%)

0Scour-Critical

Quote-Ready Local Facts

16.0%of county bridges are in poor condition, compared with 9.5% statewide and 6.7% nationally.

20,040daily vehicle crossings are on poor-condition bridges in the county.

0bridges are rated scour-critical, or 0.0% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Bureau County a Bridge Condition Exposure Score of 65/100 (D). The county has 374 bridges in the National Bridge Inventory, including 60 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 20,040 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	16.0%	32.1
Poor-condition traffic exposure	25	3.8% of measured traffic	2.9
Scour-critical bridge share	20	0.0%	0.0
Average age vs national baseline	10	47 years vs 48 nationally	0.0
Traffic-data completeness	5	523,710 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	16.0%
State Poor-Condition Share	9.5%
National Poor-Condition Share	6.7%
County Scour-Critical Share	0.0%
Average Bridge Age	47 years
Poor-Condition Traffic Exposure	20,040 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeIl 40 Fap 646 over I-80 — 2,400 vehicles/day Oldest Listed BridgeOld Dad Joe Trail over Bureau Creek — built in 1863 All County BridgesBrowse every bridge record in Bureau County.

Top Bridges to Watch in Bureau County

Bridge	Reason	Condition	Daily Traffic	Year Built
Il 40 Fap 646 over Hennepin Canal	Poor condition + traffic exposure	Poor	2,400	1933
Il 40 Fap 646 over I-80	Poor condition + traffic exposure	Poor	2,400	1963
I-180 SB over Iais Rr I & M Canal	Poor condition + traffic exposure	Poor	2,075	1968
I-180 NB over Iais Rr I & M Canal	Poor condition + traffic exposure	Poor	2,075	1968
I-180 SB over Bureau Creek	Poor condition + traffic exposure	Poor	2,075	1968
I-180 SB over Bottom RD Fas 246	Poor condition + traffic exposure	Poor	2,075	1968
Il 40 Fap 646 over Bn Rr	Poor condition + traffic exposure	Poor	1,100	1982
Ch 8 Fas 188 over I-80	Poor condition + traffic exposure	Poor	700	1963
Il 92 Fap 587 over Green River	Poor condition + traffic exposure	Poor	600	1958
Fas1240/ch14/peru over Adams Creek	Poor condition + traffic exposure	Poor	475	1987

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.