Hillsborough County Bridge Report Card

Hillsborough County scores 97 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

A97 / 100
Local infrastructure snapshot

Hillsborough County, Florida

Hillsborough County has 845 bridges in the National Bridge Inventory, with 3 rated poor and 11 rated scour-critical. Its poor-condition share of 0.4% is at or below the 2.8% statewide average. Poor-condition bridges carry about 7,570 daily vehicle crossings.

845Total Bridges
3Poor (0.4%)
266Fair (31.5%)
11Scour-Critical

Quote-Ready Local Facts

0.4%of county bridges are in poor condition, compared with 2.8% statewide and 6.7% nationally.
7,570daily vehicle crossings are on poor-condition bridges in the county.
11bridges are rated scour-critical, or 1.3% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Hillsborough County a Bridge Condition Exposure Score of 97/100 (A). The county has 845 bridges in the National Bridge Inventory, including 3 in poor condition and 11 rated scour-critical. Poor-condition bridges carry about 7,570 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

FactorWeightCounty ValuePenalty
Poor-condition bridge share400.4%0.7
Poor-condition traffic exposure250.0% of measured traffic0.0
Scour-critical bridge share201.3%2.6
Average age vs national baseline1040 years vs 48 nationally0.0
Traffic-data completeness528,176,668 measured daily crossings0.0

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 Share0.4%
State Poor-Condition Share2.8%
National Poor-Condition Share6.7%
County Scour-Critical Share1.3%
Average Bridge Age40 years
Poor-Condition Traffic Exposure7,570 vehicles/day

Bridges to Watch

Top Bridges to Watch in Hillsborough County

BridgeReasonConditionDaily TrafficYear Built
Bayshore Blvd. over Crayfish CanalPoor condition + traffic exposurePoor6,6001982
Newberger Road over Kell CreekPoor condition + traffic exposurePoor7401947
Phillips Lane over Kitchen BranchPoor condition + traffic exposurePoor2301974
Fletcher Avenue over Hillsborough RiverScour-critical foundation ratingFair38,5001961
Memorial Highway over Sweetwater CreekScour-critical foundation ratingFair35,3001973
Falkenburg RD over North Archie CreekScour-critical foundation ratingGood14,2001997
North Blvd. over Hillsborough RiverScour-critical foundation ratingFair9,1001959
Laurel Street over Hillsborough RiverScour-critical foundation ratingFair7,7001926
Tarpon Springs RD over Brooker CreekScour-critical foundation ratingFair6,6491984
Turkey Creek RD over Turkey CreekScour-critical foundation ratingFair4,5001966

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.