FHWA NBI 2024 Inspection record Public-domain dataset

N 1ST ST

Carrying N 1ST ST over SOLDIER CREEK

089281800, Webster, Iowa

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
32 t Inventory load rating

Bridge Snapshot: N 1ST ST

The N 1ST ST bridge in Webster, Iowa carries N 1ST ST over SOLDIER CREEK. It was built in 2019, making it 7 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 25.3 meters (83 feet) end to end. Daily traffic averages 961 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 a deck rating of 8/9, superstructure at 8/9, 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 32.4 metric tons.

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

How N 1ST ST compares

▲ 1.5
Load rating vs Iowa average (30.9 t)
Top 48%
Higher load rating than 52% of Iowa bridges
179
Bridges in Webster · 41 in Poor condition
N 1ST ST 32.4 t
Iowa average 30.9 t

Live comparison across Iowa.

Historical Sufficiency Rating

PlainBridge-computed
99.9 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
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 How the historical reference is calculated.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

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

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

Structural Details

Year Built
2019
Material
Prestressed Concrete
Number of Spans
1
Structure Length
25.3 m (83 ft)
Deck Width
13.9 m (46 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
961 vehicles/day
Structure Number
000000000500161

Condition Analysis

  • At 8/9, 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 (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 N 1ST 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 N 1ST ST against other structures in Webster 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 N 1ST ST?

N 1ST ST in Webster, Iowa 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 N 1ST ST inspected?

N 1ST 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 961 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. N 1ST 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 N 1ST ST?

N 1ST ST has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining N 1ST ST?

N 1ST ST is owned and maintained by City/Municipal Highway Agency.

How old is N 1ST ST and does age affect safety?

N 1ST ST was built in 2019, making it 7 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.