FHWA NBI 2024 Inspection record Public-domain dataset

W CLIFTON ST

Carrying W CLIFTON ST over BACON CREEK

000000000, Woodbury, Iowa

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
33 t Inventory load rating

Bridge Snapshot: W CLIFTON ST

The W CLIFTON ST bridge in Woodbury, Iowa carries W CLIFTON ST over BACON CREEK. It was built in 2005, making it 21 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 7.6 meters (25 feet) end to end. Daily traffic averages 4,243 vehicles, placing it in the moderately-trafficked tier of Iowa bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show culvert 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 32.7 metric tons.

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

How W CLIFTON ST compares

▲ 1.8
Load rating vs Iowa average (30.9 t)
Top 44%
Higher load rating than 56% of Iowa bridges
379
Bridges in Woodbury · 87 in Poor condition
W CLIFTON ST 32.7 t
Iowa average 30.9 t

Live comparison across Iowa.

Historical Sufficiency Rating

PlainBridge-computed
98.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
28.0
Essentiality /15
15.0
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 How the historical reference is calculated.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

Culvert
8/9
Good (7–9)
Inventory Load Rating
32.7 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2005
Material
Concrete Continuous
Number of Spans
2
Structure Length
7.6 m (25 ft)
Deck Width
9.8 m (32 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
4,243 vehicles/day
Structure Number
000000000504785

How to read this record

This page shows what the last federal inspection recorded, not whether W CLIFTON ST 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 W CLIFTON ST against other structures in Woodbury and across Iowa. Iowa 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 W CLIFTON ST?

W CLIFTON ST in Woodbury, Iowa on the FHWA's 0–9 scale.

How often is W CLIFTON ST inspected?

W CLIFTON ST'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 4,243 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. W CLIFTON ST 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 W CLIFTON ST?

W CLIFTON ST has an NBI inventory load rating of 32.7 metric tons.

Who is responsible for maintaining W CLIFTON ST?

W CLIFTON ST is owned and maintained by City/Municipal Highway Agency.

How old is W CLIFTON ST and does age affect safety?

W CLIFTON ST was built in 2005, making it 21 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.