FHWA NBI 2024 Inspection record Public-domain dataset

OASIS AVE

Carrying OASIS AVE over SOUTH BIG CREEK

071051002, Henry, Iowa

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
32 t Inventory load rating

Bridge Snapshot: OASIS AVE

The OASIS AVE bridge in Henry, Iowa carries OASIS AVE over SOUTH BIG CREEK. It was built in 2014, making it 12 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 37.5 meters (123 feet) end to end. Daily traffic averages 60 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 8/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 32.4 metric tons.

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

How OASIS AVE compares

▲ 1.5
Load rating vs Iowa average (30.9 t)
Top 48%
Higher load rating than 52% of Iowa bridges
144
Bridges in Henry · 29 in Poor condition
OASIS AVE 32.4 t
Iowa average 30.9 t

Live comparison across Iowa.

Historical Sufficiency Rating

PlainBridge-computed
100.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
15.0
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 How the historical reference is calculated.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
8/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
8/9
Good (7–9)
Inventory Load Rating
32.4 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2014
Material
Concrete Continuous
Number of Spans
3
Structure Length
37.5 m (123 ft)
Deck Width
10.1 m (33 ft)
Owner
County Highway Agency
Avg Daily Traffic
60 vehicles/day
Structure Number
000000000180351

Condition Analysis

  • The deck (driving surface) rates good at 8/9, with no significant deterioration on file.
  • At 8/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • At 8/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

This page shows what the last federal inspection recorded, not whether OASIS AVE 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 OASIS AVE against other structures in Henry 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 OASIS AVE?

OASIS AVE in Henry, Iowa has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is OASIS AVE inspected?

OASIS 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 60 vehicles per day.

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

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

What is the inventory load rating for OASIS AVE?

OASIS AVE has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining OASIS AVE?

OASIS AVE is owned and maintained by County Highway Agency.

How old is OASIS AVE and does age affect safety?

OASIS AVE was built in 2014, making it 12 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.