Carbon County Bridge Report Card

Carbon County scores 74 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

C74 / 100

Local infrastructure snapshot

Carbon County, Wyoming

Carbon County has 206 bridges in the National Bridge Inventory, with 19 rated poor and 2 rated scour-critical. Its poor-condition share of 9.2% is above the 7.1% statewide average. Poor-condition bridges carry about 26,270 daily vehicle crossings.

206Total Bridges

19Poor (9.2%)

123Fair (59.7%)

2Scour-Critical

Quote-Ready Local Facts

9.2%of county bridges are in poor condition, compared with 7.1% statewide and 6.7% nationally.

26,270daily vehicle crossings are on poor-condition bridges in the county.

2bridges are rated scour-critical, or 1.0% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Carbon County a Bridge Condition Exposure Score of 74/100 (C). The county has 206 bridges in the National Bridge Inventory, including 19 in poor condition and 2 rated scour-critical. Poor-condition bridges carry about 26,270 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	9.2%	18.4
Poor-condition traffic exposure	25	4.7% of measured traffic	3.5
Scour-critical bridge share	20	1.0%	1.9
Average age vs national baseline	10	52 years vs 48 nationally	1.7
Traffic-data completeness	5	563,590 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	9.2%
State Poor-Condition Share	7.1%
National Poor-Condition Share	6.7%
County Scour-Critical Share	1.0%
Average Bridge Age	52 years
Poor-Condition Traffic Exposure	26,270 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeI-80 Wbl over E F Medicine Bow River — 6,267 vehicles/day Oldest Listed BridgeCb Cnty RD 660 over North Platte River — built in 1915 All County BridgesBrowse every bridge record in Carbon County.

Top Bridges to Watch in Carbon County

Bridge	Reason	Condition	Daily Traffic	Year Built
I-80 Wbl over E F Medicine Bow River	Poor condition + traffic exposure	Poor	6,267	1969
I-80 Ebl over Cb CR 15 (cooper Cove)	Poor condition + traffic exposure	Poor	6,029	1969
I-80 Ebl over E F Medicine Bow River	Poor condition + traffic exposure	Poor	5,952	1969
Wyo 74 over North Platte River	Poor condition + traffic exposure	Poor	4,391	1963
S 6th Street over Uprr	Poor condition + traffic exposure	Poor	1,990	1966
I-80 Service Road over North Platte River	Poor condition + traffic exposure	Poor	782	1930
Cb Cnty RD 702 over Muddy Creek	Poor condition + traffic exposure	Poor	132	1976
Cb Cnty RD 203 over North Platte River	Poor condition + traffic exposure	Poor	97	1930
Cb Cnty RD 270 over Difficulty Creek	Poor condition + traffic exposure	Poor	97	1985
Cb Cnty RD 680 over Encampment River	Poor condition + traffic exposure	Poor	71	1915

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.