FHWA NBI 2024 Inspection record Public-domain dataset

US 63 SB

Carrying US 63 SB over IA 137

At jct. Iowa 137, Wapello, Iowa

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Unknown

Bridge Snapshot: US 63 SB

The US 63 SB bridge in Wapello, Iowa carries US 63 SB over IA 137. It was built in 2004, making it 22 years old today. The structure is built primarily of prestressed concrete. Daily traffic averages 1,185 vehicles, placing it in the moderately-trafficked tier of Iowa bridges.

The latest FHWA inspection records show limited component ratings on file. The weakest component sits in unrated condition. No reported major component scores in the Poor range under the current federal condition thresholds.

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

How US 63 SB compares

160
Bridges in Wapello · 26 in Poor condition

Live comparison across Iowa.

Historical Sufficiency Rating

PlainBridge-computed
93.5 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
25.0
Essentiality /15
14.5
Special reductions
−1.0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Overall Condition
Unrated

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

Structural Details

Year Built
2004
Material
Prestressed Concrete
Avg Daily Traffic
1,185 vehicles/day
Structure Number
000000000608805

How to read this record

This page shows what the last federal inspection recorded, not whether US 63 SB 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 US 63 SB against other structures in Wapello 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 US 63 SB?

US 63 SB in Wapello, Iowa on the FHWA's 0–9 scale.

How often is US 63 SB inspected?

US 63 SB'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 1,185 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. US 63 SB is currently shown as unrated condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for US 63 SB?

An inventory load rating is not recorded for US 63 SB.

Who is responsible for maintaining US 63 SB?

Ownership is not specified for US 63 SB in the NBI.

How old is US 63 SB and does age affect safety?

US 63 SB was built in 2004, making it 22 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.