FHWA NBI 2024 Inspection record Public-domain dataset

FM TABOR AVE

Carrying FM TABOR AVE over SMALL STREAM

081410406, Harrison, Iowa

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
34 t Inventory load rating

Bridge Snapshot: FM TABOR AVE

The FM TABOR AVE bridge in Harrison, Iowa carries FM TABOR AVE over SMALL STREAM. It was built in 1956, making it 70 years old today. The structure is built primarily of concrete and spans 1 section, stretching 7.3 meters (24 feet) end to end. Daily traffic averages 110 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 5/9, superstructure at 5/9, substructure at 2/9. The weakest component sits in critical 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 34.4 metric tons.

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

How FM TABOR AVE compares

▲ 3.5
Load rating vs Iowa average (30.9 t)
Top 29%
Higher load rating than 71% of Iowa bridges
162
Bridges in Harrison · 41 in Poor condition
FM TABOR AVE 34.4 t
Iowa average 30.9 t

Live comparison across Iowa.

Historical Sufficiency Rating

PlainBridge-computed
23.4 / 100 - historical 20–49.9 band
Structural adequacy /55
0.0
Serviceability /30
8.8
Essentiality /15
14.7
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
2/9
Poor (1–4)
Inventory Load Rating
34.4 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1956
Material
Concrete
Number of Spans
1
Structure Length
7.3 m (24 ft)
Deck Width
7.0 m (23 ft)
Owner
County Highway Agency
Avg Daily Traffic
110 vehicles/day
Structure Number
000000000179140

Condition Analysis

  • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) is in critical condition (2/9), with severe deterioration requiring urgent attention.

How to read this record

FM TABOR AVE 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 FM TABOR AVE 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 FM TABOR AVE?

FM TABOR AVE in Harrison, Iowa has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 2/9 on the FHWA's 0–9 scale.

How often is FM TABOR AVE inspected?

FM TABOR AVE'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 110 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. FM TABOR AVE 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 FM TABOR AVE?

FM TABOR AVE has an NBI inventory load rating of 34.4 metric tons.

Who is responsible for maintaining FM TABOR AVE?

FM TABOR AVE is owned and maintained by County Highway Agency.

How old is FM TABOR AVE and does age affect safety?

FM TABOR AVE was built in 1956, making it 70 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.