FHWA NBI 2024 Inspection record Public-domain dataset

SW STATE STREET

Carrying SW STATE STREET over SAYLOR CREEK

080242700, Polk, Iowa

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
33 t Inventory load rating

Bridge Snapshot: SW STATE STREET

The SW STATE STREET bridge in Polk, Iowa carries SW STATE STREET over SAYLOR CREEK. It was built in 1997, making it 29 years old today. It was last reconstructed in 2008, extending its service life. The structure is built primarily of concrete continuous and spans 2 sections, stretching 7.0 meters (23 feet) end to end. Daily traffic averages 748 vehicles, placing it in the lower-traffic tier of Iowa bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show culvert at 7/9. 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 SW STATE STREET compares

▲ 1.8
Load rating vs Iowa average (30.9 t)
Top 44%
Higher load rating than 56% of Iowa bridges
415
Bridges in Polk · 25 in Poor condition
SW STATE STREET 32.7 t
Iowa average 30.9 t

Live comparison across Iowa.

Historical Sufficiency Rating

PlainBridge-computed
84.9 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
15.0
Essentiality /15
14.9
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 How the historical reference is calculated.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
7/9
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
1997
Last Reconstructed
2008
Material
Concrete Continuous
Number of Spans
2
Structure Length
7.0 m (23 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
748 vehicles/day
Structure Number
000000000504650

How to read this record

This page shows what the last federal inspection recorded, not whether SW STATE STREET 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 SW STATE STREET against other structures in Polk 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 SW STATE STREET?

SW STATE STREET in Polk, Iowa on the FHWA's 0–9 scale.

How often is SW STATE STREET inspected?

SW STATE STREET'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 748 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SW STATE STREET 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 SW STATE STREET?

SW STATE STREET has an NBI inventory load rating of 32.7 metric tons.

Who is responsible for maintaining SW STATE STREET?

SW STATE STREET is owned and maintained by City/Municipal Highway Agency.

How old is SW STATE STREET and does age affect safety?

SW STATE STREET was built in 1997, making it 29 years old and last reconstructed in 2008.

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.