FHWA NBI 2024 Inspection record Public-domain dataset

INDIANA AVE

Carrying INDIANA AVE over OTTER CR

090092804, Buchanan, Iowa

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
19 t Inventory load rating

Bridge Snapshot: INDIANA AVE

The INDIANA AVE bridge in Buchanan, Iowa carries INDIANA AVE over OTTER CR. It was built in 2010, making it 16 years old today. The structure is built primarily of steel and spans 1 section, stretching 20.4 meters (67 feet) end to end. Daily traffic averages 62 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 7/9, superstructure at 7/9, 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 18.8 metric tons.

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

How INDIANA AVE compares

▼ 12.1
Load rating vs Iowa average (30.9 t)
Bottom 17%
Lower load rating than 83% of Iowa bridges
281
Bridges in Buchanan · 16 in Poor condition
INDIANA AVE 18.8 t
Iowa average 30.9 t

Live comparison across Iowa.

Historical Sufficiency Rating

PlainBridge-computed
68.7 / 100 - historical 50–79.9 band
Structural adequacy /55
28.7
Serviceability /30
27.0
Essentiality /15
15.0
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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
18.8 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
2010
Material
Steel
Number of Spans
1
Structure Length
20.4 m (67 ft)
Deck Width
5.8 m (19 ft)
Owner
County Highway Agency
Avg Daily Traffic
62 vehicles/day
Structure Number
000000000084011

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • 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) 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 INDIANA 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 INDIANA AVE against other structures in Buchanan 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 INDIANA AVE?

INDIANA AVE in Buchanan, Iowa has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is INDIANA AVE inspected?

INDIANA 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 62 vehicles per day.

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

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

INDIANA AVE has an NBI inventory load rating of 18.8 metric tons.

Who is responsible for maintaining INDIANA AVE?

INDIANA AVE is owned and maintained by County Highway Agency.

How old is INDIANA AVE and does age affect safety?

INDIANA AVE was built in 2010, making it 16 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.