Smith County Bridge Report Card

Smith County scores 98 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

A98 / 100

Local infrastructure snapshot

Smith County, Texas

Smith County has 428 bridges in the National Bridge Inventory, with 3 rated poor and 0 rated scour-critical. Its poor-condition share of 0.7% is at or below the 1.2% statewide average. Poor-condition bridges carry about 7,920 daily vehicle crossings.

428Total Bridges

3Poor (0.7%)

218Fair (50.9%)

0Scour-Critical

Quote-Ready Local Facts

0.7%of county bridges are in poor condition, compared with 1.2% statewide and 6.7% nationally.

7,920daily 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 Smith County a Bridge Condition Exposure Score of 98/100 (A). The county has 428 bridges in the National Bridge Inventory, including 3 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 7,920 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	0.7%	1.4
Poor-condition traffic exposure	25	0.3% of measured traffic	0.2
Scour-critical bridge share	20	0.0%	0.0
Average age vs national baseline	10	44 years vs 48 nationally	0.0
Traffic-data completeness	5	2,629,198 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	0.7%
State Poor-Condition Share	1.2%
National Poor-Condition Share	6.7%
County Scour-Critical Share	0.0%
Average Bridge Age	44 years
Poor-Condition Traffic Exposure	7,920 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeSH 64 over Lake Tyler - E Mud Creek — 7,260 vehicles/day Oldest Listed BridgeCommerce ST over Black Fork Creek — built in 1920 All County BridgesBrowse every bridge record in Smith County.

Top Bridges to Watch in Smith County

Bridge	Reason	Condition	Daily Traffic	Year Built
SH 64 over Lake Tyler - E Mud Creek	Poor condition + traffic exposure	Poor	7,260	1937
CR 452 over Mill Creek	Poor condition + traffic exposure	Poor	380	1985
CR 363 over Simpson Creek	Poor condition + traffic exposure	Poor	280	2001
US 69 over West Mud Creek	High traffic	Fair	46,059	1956
IH 20 over Rattlesnake Creek	High traffic	Fair	38,914	1961
Sl 323 over W Mud CR Tr	High traffic	Fair	38,634	1956
IH 20 over Allen Branch Trib	High traffic	Fair	38,112	1961
IH 20 over Allen Branch	High traffic	Fair	38,112	1961
Sl 323 over Indian CR	High traffic	Fair	36,533	1956
IH 20 over Prairie Crk Trib	High traffic	Fair	35,901	1962

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.