Grimes County Bridge Report Card

Grimes 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

Grimes County, Texas

Grimes County has 248 bridges in the National Bridge Inventory, with 2 rated poor and 0 rated scour-critical. Its poor-condition share of 0.8% is at or below the 1.2% statewide average. Poor-condition bridges carry about 6,401 daily vehicle crossings.

248Total Bridges

2Poor (0.8%)

135Fair (54.4%)

0Scour-Critical

Quote-Ready Local Facts

0.8%of county bridges are in poor condition, compared with 1.2% statewide and 6.7% nationally.

6,401daily 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 Grimes County a Bridge Condition Exposure Score of 98/100 (A). The county has 248 bridges in the National Bridge Inventory, including 2 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 6,401 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	0.8%	1.6
Poor-condition traffic exposure	25	0.8% of measured traffic	0.6
Scour-critical bridge share	20	0.0%	0.0
Average age vs national baseline	10	41 years vs 48 nationally	0.0
Traffic-data completeness	5	827,936 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	0.8%
State Poor-Condition Share	1.2%
National Poor-Condition Share	6.7%
County Scour-Critical Share	0.0%
Average Bridge Age	41 years
Poor-Condition Traffic Exposure	6,401 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeSH 30 over Gibbons Creek — 6,351 vehicles/day Oldest Listed BridgeSH 6 SB over Spring Creek — built in 1926 All County BridgesBrowse every bridge record in Grimes County.

Top Bridges to Watch in Grimes County

Bridge	Reason	Condition	Daily Traffic	Year Built
SH 30 over Gibbons Creek	Poor condition + traffic exposure	Poor	6,351	1951
CR 179 over Sulphur Creek Branch	Poor condition + traffic exposure	Poor	50	1940
SH 6 over Drain	High traffic	Good	27,241	1970
SH 6 over Drain	High traffic	Good	27,241	1970
SH 6 over Sylvia Creek	High traffic	Fair	25,973	1970
SH 6 over Cedar Creek	High traffic	Good	25,973	1970
SH 6 over Sandy Creek	High traffic	Good	22,090	1970
SH 6 SB over SH 90	High traffic	Good	15,528	1971
SH 6 NB over SH 90	High traffic	Good	15,528	1971
SH 105 over Grassy Creek	High traffic	Fair	15,414	1978

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.