Teton County Bridge Report Card

Teton County scores 59 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

F59 / 100

Local infrastructure snapshot

Teton County, Wyoming

Teton County has 122 bridges in the National Bridge Inventory, with 15 rated poor and 5 rated scour-critical. Its poor-condition share of 12.3% is above the 7.1% statewide average. Poor-condition bridges carry about 40,359 daily vehicle crossings.

122Total Bridges

15Poor (12.3%)

68Fair (55.7%)

5Scour-Critical

Quote-Ready Local Facts

12.3%of county bridges are in poor condition, compared with 7.1% statewide and 6.7% nationally.

40,359daily vehicle crossings are on poor-condition bridges in the county.

5bridges are rated scour-critical, or 4.1% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Teton County a Bridge Condition Exposure Score of 59/100 (F). The county has 122 bridges in the National Bridge Inventory, including 15 in poor condition and 5 rated scour-critical. Poor-condition bridges carry about 40,359 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	12.3%	24.6
Poor-condition traffic exposure	25	10.6% of measured traffic	8.0
Scour-critical bridge share	20	4.1%	8.2
Average age vs national baseline	10	45 years vs 48 nationally	0.0
Traffic-data completeness	5	379,005 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	12.3%
State Poor-Condition Share	7.1%
National Poor-Condition Share	6.7%
County Scour-Critical Share	4.1%
Average Bridge Age	45 years
Poor-Condition Traffic Exposure	40,359 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeUS 89 over Flat Creek — 15,780 vehicles/day Oldest Listed BridgeGrand Teton Np RD over Snake River — built in 1911 All County BridgesBrowse every bridge record in Teton County.

Top Bridges to Watch in Teton County

Bridge	Reason	Condition	Daily Traffic	Year Built
West Entrance Road over Madison River	Poor condition + traffic exposure	Poor	2,525	1958
US 89 over Flat Creek	Poor condition + traffic exposure	Poor	15,780	1938
Wyo 22 over Fish Creek	Poor condition + traffic exposure	Poor	10,222	1949
US 191 over Hoback River	Poor condition + traffic exposure	Poor	2,509	1966
Grand Loop Road over Otter Creek	Poor condition + traffic exposure	Poor	1,807	1934
Grand Loop Road over Bridge Bay Inlet	Poor condition + traffic exposure	Poor	1,807	1961
South Entrance Roa over Unnamed Creek	Poor condition + traffic exposure	Poor	1,598	1972
Firehole Lake Driv over Thermal Area Drainage	Poor condition + traffic exposure	Poor	1,500	1935
Firehole Lake Driv over Thermal Area Drainage	Poor condition + traffic exposure	Poor	1,500	1935
Te Cnty RD 2 over Mosquito Creek	Poor condition + traffic exposure	Poor	901	1955

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.