FHWA NBI 2024 Inspection record Public-domain dataset

US-41SB TAMIAMI TR

Carrying US-41SB TAMIAMI TR over HALDEMAN RIVER

1.7 Miles South of SR-84, Collier, Florida

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
54 t Inventory load rating

Bridge Snapshot: US-41SB TAMIAMI TR

The US-41SB TAMIAMI TR bridge in Collier, Florida carries US-41SB TAMIAMI TR over HALDEMAN RIVER. It was built in 1999, making it 27 years old today. The structure is built primarily of concrete continuous and spans 4 sections, stretching 34.1 meters (112 feet) end to end. Daily traffic averages 44,103 vehicles, placing it in the heavily-trafficked tier of Florida bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 8/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 54.2 metric tons.

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

How US-41SB TAMIAMI TR compares

▲ 15.3
Load rating vs Florida average (38.9 t)
Top 12%
Higher load rating than 88% of Florida bridges
310
Bridges in Collier · 7 in Poor condition
US-41SB TAMIAMI TR 54.2 t
Florida average 38.9 t

Live comparison across Florida.

Historical Sufficiency Rating

PlainBridge-computed
83.2 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
15.7
Essentiality /15
12.5
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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
8/9
Good (7–9)
Inventory Load Rating
54.2 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1999
Material
Concrete Continuous
Number of Spans
4
Structure Length
34.1 m (112 ft)
Deck Width
20.6 m (68 ft)
Owner
State Highway Agency
Avg Daily Traffic
44,103 vehicles/day
Structure Number
030302

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • The substructure (piers and abutments) is in good condition (8/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether US-41SB TAMIAMI TR 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 US-41SB TAMIAMI TR against other structures in Collier 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 US-41SB TAMIAMI TR?

US-41SB TAMIAMI TR in Collier, Florida has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is US-41SB TAMIAMI TR inspected?

US-41SB TAMIAMI TR'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 44,103 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. US-41SB TAMIAMI TR 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 US-41SB TAMIAMI TR?

US-41SB TAMIAMI TR has an NBI inventory load rating of 54.2 metric tons.

Who is responsible for maintaining US-41SB TAMIAMI TR?

US-41SB TAMIAMI TR is owned and maintained by State Highway Agency.

How old is US-41SB TAMIAMI TR and does age affect safety?

US-41SB TAMIAMI TR was built in 1999, making it 27 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.