Mesa County Bridge Report Card

Mesa County scores 89 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

B89 / 100

Local infrastructure snapshot

Mesa County, Colorado

Mesa County has 321 bridges in the National Bridge Inventory, with 6 rated poor and 11 rated scour-critical. Its poor-condition share of 1.9% is at or below the 4.6% statewide average. Poor-condition bridges carry about 15,372 daily vehicle crossings.

321Total Bridges

6Poor (1.9%)

210Fair (65.4%)

11Scour-Critical

Quote-Ready Local Facts

1.9%of county bridges are in poor condition, compared with 4.6% statewide and 6.7% nationally.

15,372daily vehicle crossings are on poor-condition bridges in the county.

11bridges are rated scour-critical, or 3.4% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Mesa County a Bridge Condition Exposure Score of 89/100 (B). The county has 321 bridges in the National Bridge Inventory, including 6 in poor condition and 11 rated scour-critical. Poor-condition bridges carry about 15,372 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	1.9%	3.7
Poor-condition traffic exposure	25	1.0% of measured traffic	0.8
Scour-critical bridge share	20	3.4%	6.9
Average age vs national baseline	10	44 years vs 48 nationally	0.0
Traffic-data completeness	5	1,508,911 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	1.9%
State Poor-Condition Share	4.6%
National Poor-Condition Share	6.7%
County Scour-Critical Share	3.4%
Average Bridge Age	44 years
Poor-Condition Traffic Exposure	15,372 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeSH 141 Ml over Colorado River — 8,300 vehicles/day Oldest Listed BridgeI.9 Road over Local Drainage — built in 1901 All County BridgesBrowse every bridge record in Mesa County.

Top Bridges to Watch in Mesa County

Bridge	Reason	Condition	Daily Traffic	Year Built
SH 141 Ml over Colorado River	Poor condition + traffic exposure	Poor	8,300	1968
US 6 Ml over Colorado River	Poor condition + traffic exposure	Poor	2,900	1949
I 70 Frontage RD over Adobe Creek SR	Poor condition + traffic exposure	Poor	2,532	1969
US 6 Ml over Colorado River	Poor condition + traffic exposure	Poor	1,200	1945
I.9 Road over Local Drainage	Poor condition + traffic exposure	Poor	309	1901
County Road M.80 over West Salt Wash	Poor condition + traffic exposure	Poor	131	1931
Ramp (wb) To SH 65 over Plateau Creek R	Scour-critical foundation rating	Fair	17,000	1958
I 70 Ml over Plateau Creek	Scour-critical foundation rating	Fair	17,000	1965
SH 340 Ml Ebnd over Colorado River	Scour-critical foundation rating	Fair	9,500	1950
I 70 Ml Wbnd over Little Salt Wash	Scour-critical foundation rating	Fair	5,500	1970

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.