FHWA NBI 2024 Inspection record Public-domain dataset

MIRACLE LN

Carrying MIRACLE LN over STREAM

079313203, Guthrie, Iowa

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
8 t Inventory load rating

Bridge Snapshot: MIRACLE LN

The MIRACLE LN bridge in Guthrie, Iowa carries MIRACLE LN over STREAM. It was built in 1950, making it 76 years old today. It was last reconstructed in 2010, extending its service life. The structure is built primarily of wood or timber and spans 3 sections, stretching 14.0 meters (46 feet) end to end. Daily traffic averages 11 vehicles, placing it in the lower-traffic tier of Iowa bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 4/9, superstructure at 3/9, substructure at 4/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 8.3 metric tons.

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

How MIRACLE LN compares

▼ 22.6
Load rating vs Iowa average (30.9 t)
Bottom 2%
Lower load rating than 98% of Iowa bridges
236
Bridges in Guthrie · 90 in Poor condition
MIRACLE LN 8.3 t
Iowa average 30.9 t

Live comparison across Iowa.

Historical Sufficiency Rating

PlainBridge-computed
18.0 / 100 - historical under-20 band
Structural adequacy /55
0.0
Serviceability /30
4.5
Essentiality /15
13.5
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 How the historical reference is calculated.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
4/9
Poor (1–4)
Superstructure
3/9
Poor (1–4)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
8.3 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1950
Last Reconstructed
2010
Material
Wood or Timber
Number of Spans
3
Structure Length
14.0 m (46 ft)
Deck Width
5.0 m (16 ft)
Owner
County Highway Agency
Avg Daily Traffic
11 vehicles/day
Structure Number
000000000365465

Condition Analysis

  • At 4/9, the deck (driving surface) is in poor shape, with advanced wear flagged for priority repair.
  • The superstructure (beams and supports above the deck) is in poor condition (3/9), showing advanced deterioration that may require priority repair.
  • The substructure (piers and abutments) is in poor condition (4/9), showing advanced deterioration that may require priority repair.

How to read this record

MIRACLE LN is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare MIRACLE LN against other structures in Guthrie 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 MIRACLE LN?

MIRACLE LN in Guthrie, Iowa has a deck rating of 4/9, superstructure rating of 3/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is MIRACLE LN inspected?

MIRACLE LN'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 11 vehicles per day.

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

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

What is the inventory load rating for MIRACLE LN?

MIRACLE LN has an NBI inventory load rating of 8.3 metric tons.

Who is responsible for maintaining MIRACLE LN?

MIRACLE LN is owned and maintained by County Highway Agency.

How old is MIRACLE LN and does age affect safety?

MIRACLE LN was built in 1950, making it 76 years old and last reconstructed in 2010.

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.