FHWA NBI 2024 Inspection record Public-domain dataset

242ND TRAIL

Carrying 242ND TRAIL over DRAINAGE DITCH

079431605, Harrison, Iowa

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
45 t Inventory load rating

Bridge Snapshot: 242ND TRAIL

The 242ND TRAIL bridge in Harrison, Iowa carries 242ND TRAIL over DRAINAGE DITCH. It was built in 2013, making it 13 years old today. The structure is built primarily of concrete and spans 1 section, stretching 7.5 meters (25 feet) end to end. Daily traffic averages 34 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 8/9, superstructure at 8/9, substructure at 4/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 44.5 metric tons.

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

How 242ND TRAIL compares

▲ 13.6
Load rating vs Iowa average (30.9 t)
Top 12%
Higher load rating than 88% of Iowa bridges
162
Bridges in Harrison · 41 in Poor condition
242ND TRAIL 44.5 t
Iowa average 30.9 t

Live comparison across Iowa.

Historical Sufficiency Rating

PlainBridge-computed
64.0 / 100 - historical 50–79.9 band
Structural adequacy /55
30.0
Serviceability /30
21.0
Essentiality /15
15.0
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 How the historical reference is calculated.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
8/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
44.5 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
2013
Material
Concrete
Number of Spans
1
Structure Length
7.5 m (25 ft)
Deck Width
6.0 m (20 ft)
Owner
County Highway Agency
Avg Daily Traffic
34 vehicles/day
Structure Number
000000000178161

Condition Analysis

  • The deck (driving surface) is in good condition (8/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) rates good at 8/9, with no significant deterioration on file.
  • The substructure (piers and abutments) is in poor condition (4/9), showing advanced deterioration that may require priority repair.

How to read this record

242ND TRAIL 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 242ND TRAIL against other structures in Harrison 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 242ND TRAIL?

242ND TRAIL in Harrison, Iowa has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is 242ND TRAIL inspected?

242ND TRAIL'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 34 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. 242ND TRAIL 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 242ND TRAIL?

242ND TRAIL has an NBI inventory load rating of 44.5 metric tons.

Who is responsible for maintaining 242ND TRAIL?

242ND TRAIL is owned and maintained by County Highway Agency.

How old is 242ND TRAIL and does age affect safety?

242ND TRAIL was built in 2013, making it 13 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.