Jefferson County Bridge Report Card

Jefferson County scores 95 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

A95 / 100

Local infrastructure snapshot

Jefferson County, Texas

Jefferson County has 460 bridges in the National Bridge Inventory, with 6 rated poor and 1 rated scour-critical. Its poor-condition share of 1.3% is above the 1.2% statewide average. Poor-condition bridges carry about 192,176 daily vehicle crossings.

460Total Bridges

6Poor (1.3%)

228Fair (49.6%)

1Scour-Critical

Quote-Ready Local Facts

1.3%of county bridges are in poor condition, compared with 1.2% statewide and 6.7% nationally.

192,176daily vehicle crossings are on poor-condition bridges in the county.

1bridges are rated scour-critical, or 0.2% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Jefferson County a Bridge Condition Exposure Score of 95/100 (A). The county has 460 bridges in the National Bridge Inventory, including 6 in poor condition and 1 rated scour-critical. Poor-condition bridges carry about 192,176 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	1.3%	2.6
Poor-condition traffic exposure	25	2.9% of measured traffic	2.2
Scour-critical bridge share	20	0.2%	0.4
Average age vs national baseline	10	48 years vs 48 nationally	0.0
Traffic-data completeness	5	6,668,858 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	1.3%
State Poor-Condition Share	1.2%
National Poor-Condition Share	6.7%
County Scour-Critical Share	0.2%
Average Bridge Age	48 years
Poor-Condition Traffic Exposure	192,176 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeIH 10 over 11th ST — 111,265 vehicles/day Oldest Listed BridgeUS 90 WB over Lnva Canal — built in 1922 All County BridgesBrowse every bridge record in Jefferson County.

Top Bridges to Watch in Jefferson County

Bridge	Reason	Condition	Daily Traffic	Year Built
IH 10 over 11th ST	Poor condition + traffic exposure	Poor	111,265	1958
IH 10 WB over IH 10 WB To US 69 SB	Poor condition + traffic exposure	Poor	65,343	1962
SH 73/sh 87 WB over Neches River	Poor condition + traffic exposure	Poor	15,227	1939
CR 336 (erie St) over Lnva Canal	Poor condition + traffic exposure	Poor	189	1983
Clam Lake Road over Ten-mile Cut/salt Bayou	Poor condition + traffic exposure	Poor	80	1950
Mason RD over Pignut Gully	Poor condition + traffic exposure	Poor	72	1965
SH 124 over N Fork Taylor Bayou	Scour-critical foundation rating	Fair	5,555	1937
IH 10 over US 90	High traffic	Fair	114,345	2002
IH 10 over Fannin ST Drainage Ditch	High traffic	Fair	111,265	1958
IH 10 over Drainage Ditch	High traffic	Fair	108,624	1960

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.