FHWA NBI 2024 Inspection record Public-domain dataset

Northwestern Ave

Carrying Northwestern Ave over Little Wekiva River

0.2 mi N of Trailwood Dr, Seminole, Florida

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
64 t Inventory load rating

Bridge Snapshot: Northwestern Ave

The Northwestern Ave bridge in Seminole, Florida carries Northwestern Ave over Little Wekiva River. It was built in 2022, making it 4 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 8.7 meters (29 feet) end to end. Daily traffic averages 5,517 vehicles, placing it in the moderately-trafficked tier of Florida bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 8/9, superstructure at 8/9, substructure at 8/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 64.3 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How Northwestern Ave compares

▲ 25.4
Load rating vs Florida average (38.9 t)
Top 6%
Higher load rating than 94% of Florida bridges
177
Bridges in Seminole · 1 in Poor condition
Northwestern Ave 64.3 t
Florida average 38.9 t

Live comparison across Florida.

Historical Sufficiency Rating

PlainBridge-computed
97.2 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
28.0
Essentiality /15
14.2
Special reductions
0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Deck
8/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
8/9
Good (7–9)
Inventory Load Rating
64.3 t
NBI inventory level (metric tons)
Overall Condition
Good

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Structural Details

Year Built
2022
Material
Prestressed Concrete
Number of Spans
1
Structure Length
8.7 m (29 ft)
Deck Width
15.6 m (51 ft)
Owner
County Highway Agency
Avg Daily Traffic
5,517 vehicles/day
Structure Number
774070

Condition Analysis

  • The deck (driving surface) is in good condition (8/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) is in good condition (8/9), showing no significant deterioration.
  • At 8/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

This page shows what the last federal inspection recorded, not whether Northwestern Ave is safe to cross today. Here is how to use it.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Learn how the 0–9 condition scale and Good/Fair/Poor categories are defined. How condition ratings work
  • Compare Northwestern Ave against other structures in Seminole and across Florida. Florida bridges
  • Noticed visible damage or a safety concern? Report it to the agency that owns the bridge, or call 911 in an emergency. How to report a bridge

Condition codes come straight from the FHWA National Bridge Inventory and are not a real-time safety judgment. Only the owning agency, a state DOT, county, or other owner, can post, restrict, or close a bridge.

Frequently Asked Questions

What do the condition ratings mean for Northwestern Ave?

Northwestern Ave in Seminole, Florida has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is Northwestern Ave inspected?

Northwestern Ave's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval. It carries about 5,517 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. Northwestern Ave is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for Northwestern Ave?

Northwestern Ave has an NBI inventory load rating of 64.3 metric tons.

Who is responsible for maintaining Northwestern Ave?

Northwestern Ave is owned and maintained by County Highway Agency.

How old is Northwestern Ave and does age affect safety?

Northwestern Ave was built in 2022, making it 4 years old.

Disclaimer: Bridge condition data is from the FHWA NBI and reflects the last reported inspection. A Poor condition rating is not a live declaration that a bridge is closed or unsafe for travel. For current closure, posting, or safety information, contact the responsible transportation agency.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.