FHWA NBI 2024 Inspection record Public-domain dataset

IA 16

Carrying IA 16 over LITTLE LICK CREEK

1.7 mi. W of W jct. IA 1, Van Buren, Iowa

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
53 t Inventory load rating

Bridge Snapshot: IA 16

The IA 16 bridge in Van Buren, Iowa carries IA 16 over LITTLE LICK CREEK. It was built in 1989, making it 37 years old today. The structure is built primarily of prestressed concrete and spans 3 sections, stretching 52.1 meters (171 feet) end to end. Daily traffic averages 940 vehicles, placing it in the lower-traffic tier of Iowa bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 52.6 metric tons.

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

How IA 16 compares

▲ 21.7
Load rating vs Iowa average (30.9 t)
Top 5%
Higher load rating than 95% of Iowa bridges
142
Bridges in Van Buren · 46 in Poor condition
IA 16 52.6 t
Iowa average 30.9 t

Live comparison across Iowa.

Historical Sufficiency Rating

PlainBridge-computed
96.6 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
12.7
Special reductions
−1.1

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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
52.6 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1989
Material
Prestressed Concrete
Number of Spans
3
Structure Length
52.1 m (171 ft)
Deck Width
13.2 m (43 ft)
Owner
State Highway Agency
Avg Daily Traffic
940 vehicles/day
Structure Number
000000000050331

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether IA 16 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 IA 16 against other structures in Van Buren 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 IA 16?

IA 16 in Van Buren, Iowa has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is IA 16 inspected?

IA 16'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 940 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. IA 16 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 IA 16?

IA 16 has an NBI inventory load rating of 52.6 metric tons.

Who is responsible for maintaining IA 16?

IA 16 is owned and maintained by State Highway Agency.

How old is IA 16 and does age affect safety?

IA 16 was built in 1989, making it 37 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.