Teton County Bridge Report Card

Teton County scores 63 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

D63 / 100

Local infrastructure snapshot

Teton County, Idaho

Teton County has 37 bridges in the National Bridge Inventory, with 2 rated poor and 5 rated scour-critical. Its poor-condition share of 5.4% is above the 5.4% statewide average. Poor-condition bridges carry about 5,660 daily vehicle crossings.

37Total Bridges

2Poor (5.4%)

15Fair (40.5%)

5Scour-Critical

Quote-Ready Local Facts

5.4%of county bridges are in poor condition, compared with 5.4% statewide and 6.7% nationally.

5,660daily vehicle crossings are on poor-condition bridges in the county.

5bridges are rated scour-critical, or 13.5% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Teton County a Bridge Condition Exposure Score of 63/100 (D). The county has 37 bridges in the National Bridge Inventory, including 2 in poor condition and 5 rated scour-critical. Poor-condition bridges carry about 5,660 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	5.4%	10.8
Poor-condition traffic exposure	25	8.5% of measured traffic	6.4
Scour-critical bridge share	20	13.5%	20.0
Average age vs national baseline	10	32 years vs 48 nationally	0.0
Traffic-data completeness	5	66,734 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	5.4%
State Poor-Condition Share	5.4%
National Poor-Condition Share	6.7%
County Scour-Critical Share	13.5%
Average Bridge Age	32 years
Poor-Condition Traffic Exposure	5,660 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeSH 33 over Spring Creek — 5,600 vehicles/day Oldest Listed BridgeS6810;packsaddle R over Side Channel Teton River — built in 1935 All County BridgesBrowse every bridge record in Teton County.

Top Bridges to Watch in Teton County

Bridge	Reason	Condition	Daily Traffic	Year Built
SH 33 over Spring Creek	Poor condition + traffic exposure	Poor	5,600	1975
S 1000 W over Trail Creek	Poor condition + traffic exposure	Poor	60	1995
SH 33 over Teton Creek	Scour-critical foundation rating	Fair	11,500	1979
S6810;packsaddle R over Teton River(cache Br)	Scour-critical foundation rating	Fair	250	1956
S 2000 E over Darby Creek	Scour-critical foundation rating	Good	200	2014
5750 South over Teton River(white Br)	Scour-critical foundation rating	Fair	190	1983
S Bates RD over Teton Rvr (nickerson Br)	Scour-critical foundation rating	Good	40	1990
SH 33 over Trail Creek	High traffic	Good	7,500	2010
SH 33 over Trail Creek	High traffic	Good	7,500	2010
SH 33 over Moose Creek	High traffic	Good	7,500	2010

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.