FHWA NBI 2024 Inspection record Public-domain dataset

I 880 EB

Carrying I 880 EB over BNSF RR

0.3 MI. E OF JCT. 191, Pottawattamie, Iowa

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
24 t Inventory load rating

Bridge Snapshot: I 880 EB

The I 880 EB bridge in Pottawattamie, Iowa carries I 880 EB over BNSF RR. It was built in 1966, making it 60 years old today. The structure is built primarily of prestressed concrete and spans 3 sections, stretching 46.9 meters (154 feet) end to end. Daily traffic averages 2,850 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 5/9, superstructure at 6/9, substructure at 5/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 23.6 metric tons.

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

How I 880 EB compares

▼ 7.3
Load rating vs Iowa average (30.9 t)
Bottom 30%
Lower load rating than 70% of Iowa bridges
469
Bridges in Pottawattamie · 48 in Poor condition
I 880 EB 23.6 t
Iowa average 30.9 t

Live comparison across Iowa.

Historical Sufficiency Rating

PlainBridge-computed
68.5 / 100 - historical 50–79.9 band
Structural adequacy /55
36.5
Serviceability /30
21.0
Essentiality /15
13.0
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
23.6 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1966
Material
Prestressed Concrete
Number of Spans
3
Structure Length
46.9 m (154 ft)
Deck Width
12.9 m (42 ft)
Owner
State Highway Agency
Avg Daily Traffic
2,850 vehicles/day
Structure Number
000000000044500

Condition Analysis

  • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • The substructure (piers and abutments) is in fair condition (5/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether I 880 EB 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 I 880 EB against other structures in Pottawattamie 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 I 880 EB?

I 880 EB in Pottawattamie, Iowa has a deck rating of 5/9, superstructure rating of 6/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is I 880 EB inspected?

I 880 EB'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 2,850 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. I 880 EB 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 I 880 EB?

I 880 EB has an NBI inventory load rating of 23.6 metric tons.

Who is responsible for maintaining I 880 EB?

I 880 EB is owned and maintained by State Highway Agency.

How old is I 880 EB and does age affect safety?

I 880 EB was built in 1966, making it 60 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.