FHWA NBI 2024 Inspection record Public-domain dataset

IA 44

Carrying IA 44 over MIDDLE RACCOON RIVER

1.2 Mi. W of Jct. IA 4, Guthrie, Iowa

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
28 t Inventory load rating

Bridge Snapshot: IA 44

The IA 44 bridge in Guthrie, Iowa carries IA 44 over MIDDLE RACCOON RIVER. It was built in 1972, making it 54 years old today. The structure is built primarily of steel continuous and spans 3 sections, stretching 93.3 meters (306 feet) end to end. Daily traffic averages 3,200 vehicles, placing it in the moderately-trafficked tier of Iowa bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 7/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 27.9 metric tons.

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

How IA 44 compares

▼ 3.0
Load rating vs Iowa average (30.9 t)
Bottom 40%
Lower load rating than 60% of Iowa bridges
236
Bridges in Guthrie · 90 in Poor condition
IA 44 27.9 t
Iowa average 30.9 t

Live comparison across Iowa.

Historical Sufficiency Rating

PlainBridge-computed
92.4 / 100 - historical 80–100 band
Structural adequacy /55
51.9
Serviceability /30
30.0
Essentiality /15
12.5
Special reductions
−2.0

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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
7/9
Good (7–9)
Inventory Load Rating
27.9 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1972
Material
Steel Continuous
Number of Spans
3
Structure Length
93.3 m (306 ft)
Deck Width
13.4 m (44 ft)
Owner
State Highway Agency
Avg Daily Traffic
3,200 vehicles/day
Structure Number
000000000026211

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether IA 44 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 IA 44 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 IA 44?

IA 44 in Guthrie, Iowa has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is IA 44 inspected?

IA 44'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 3,200 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. IA 44 is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for IA 44?

IA 44 has an NBI inventory load rating of 27.9 metric tons.

Who is responsible for maintaining IA 44?

IA 44 is owned and maintained by State Highway Agency.

How old is IA 44 and does age affect safety?

IA 44 was built in 1972, making it 54 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.