Frederick County Bridge Report Card

Frederick County scores 91 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

A91 / 100

Local infrastructure snapshot

Frederick County, Maryland

Frederick County has 475 bridges in the National Bridge Inventory, with 14 rated poor and 0 rated scour-critical. Its poor-condition share of 2.9% is at or below the 4.6% statewide average. Poor-condition bridges carry about 45,747 daily vehicle crossings.

475Total Bridges

14Poor (2.9%)

270Fair (56.8%)

0Scour-Critical

Quote-Ready Local Facts

2.9%of county bridges are in poor condition, compared with 4.6% statewide and 6.7% nationally.

45,747daily 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 Frederick County a Bridge Condition Exposure Score of 91/100 (A). The county has 475 bridges in the National Bridge Inventory, including 14 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 45,747 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	2.9%	5.9
Poor-condition traffic exposure	25	0.7% of measured traffic	0.5
Scour-critical bridge share	20	0.0%	0.0
Average age vs national baseline	10	54 years vs 48 nationally	2.6
Traffic-data completeness	5	6,521,612 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	2.9%
State Poor-Condition Share	4.6%
National Poor-Condition Share	6.7%
County Scour-Critical Share	0.0%
Average Bridge Age	54 years
Poor-Condition Traffic Exposure	45,747 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeBaughmans Lane over Rock Creek — 20,388 vehicles/day Oldest Listed BridgeRoddy Road over Owens Creek — built in 1856 All County BridgesBrowse every bridge record in Frederick County.

Top Bridges to Watch in Frederick County

Bridge	Reason	Condition	Daily Traffic	Year Built
Baughmans Lane over Rock Creek	Poor condition + traffic exposure	Poor	20,388	1970
Frederick Road over Hunting Creek	Poor condition + traffic exposure	Poor	9,402	1928
Shookstown Road over Carroll Creek	Poor condition + traffic exposure	Poor	6,750	1911
Fairview Avenue over Carroll Creek	Poor condition + traffic exposure	Poor	2,674	1963
Lynn Burke Road over Church Branch	Poor condition + traffic exposure	Poor	2,175	1965
Opossumtown Pike over Big Tuscarora Creek	Poor condition + traffic exposure	Poor	1,070	1988
Brethren Church RD over Catoctin Creek	Poor condition + traffic exposure	Poor	851	1986
Hessong Bridge RD over Fishing Creek	Poor condition + traffic exposure	Poor	761	1931
Lily Pons Road over Locust Run	Poor condition + traffic exposure	Poor	394	1977
Poffenberger Road over Catoctin Creek	Poor condition + traffic exposure	Poor	390	1878

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.