Shelby County Bridge Report Card

Shelby County scores 80 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

B80 / 100

Local infrastructure snapshot

Shelby County, Texas

Shelby County has 177 bridges in the National Bridge Inventory, with 7 rated poor and 10 rated scour-critical. Its poor-condition share of 4.0% is above the 1.2% statewide average. Poor-condition bridges carry about 1,372 daily vehicle crossings.

177Total Bridges

7Poor (4.0%)

77Fair (43.5%)

10Scour-Critical

Quote-Ready Local Facts

4.0%of county bridges are in poor condition, compared with 1.2% statewide and 6.7% nationally.

1,372daily vehicle crossings are on poor-condition bridges in the county.

10bridges are rated scour-critical, or 5.6% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Shelby County a Bridge Condition Exposure Score of 80/100 (B). The county has 177 bridges in the National Bridge Inventory, including 7 in poor condition and 10 rated scour-critical. Poor-condition bridges carry about 1,372 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	4.0%	7.9
Poor-condition traffic exposure	25	0.5% of measured traffic	0.4
Scour-critical bridge share	20	5.6%	11.3
Average age vs national baseline	10	39 years vs 48 nationally	0.0
Traffic-data completeness	5	266,575 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	4.0%
State Poor-Condition Share	1.2%
National Poor-Condition Share	6.7%
County Scour-Critical Share	5.6%
Average Bridge Age	39 years
Poor-Condition Traffic Exposure	1,372 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeFM 139 over Tenaha Bayou — 869 vehicles/day Oldest Listed BridgeSH 7 over Sandy Branch — built in 1934 All County BridgesBrowse every bridge record in Shelby County.

Top Bridges to Watch in Shelby County

Bridge	Reason	Condition	Daily Traffic	Year Built
FM 139 over Tenaha Bayou	Poor condition + traffic exposure	Poor	869	1967
CR 3012 over Trib Of Prairie Creek	Poor condition + traffic exposure	Poor	126	1993
CR 2545 over Bayou Siepe	Poor condition + traffic exposure	Poor	109	1968
CR 1049 over Straw Creek	Poor condition + traffic exposure	Poor	106	1996
CR 4054 over West Creek	Poor condition + traffic exposure	Poor	65	2000
CR 1440 over Irish Creek	Poor condition + traffic exposure	Poor	55	1992
CR 3689 over Cypress Creek	Poor condition + traffic exposure	Poor	42	1994
US 59 over Flat Fork Creek	Scour-critical foundation rating	Good	6,957	1935
SH 87 over Draw	Scour-critical foundation rating	Fair	5,482	1949
US 84 over Attoyac River Relief	Scour-critical foundation rating	Fair	1,322	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.