FHWA NBI 2024 Inspection record Public-domain dataset

CARTER AVE

Carrying CARTER AVE over SMALL STREAM

087102904, Buchanan, Iowa

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
19 t Inventory load rating

Bridge Snapshot: CARTER AVE

The CARTER AVE bridge in Buchanan, Iowa carries CARTER AVE over SMALL STREAM. It was built in 1952, making it 74 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 6.7 meters (22 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 culvert at 5/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. 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 CARTER 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
CARTER AVE 18.8 t
Iowa average 30.9 t

Live comparison across Iowa.

Historical Sufficiency Rating

PlainBridge-computed
69.7 / 100 - historical 50–79.9 band
Structural adequacy /55
28.7
Serviceability /30
29.0
Essentiality /15
15.0
Special reductions
−3.0

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 How the historical reference is calculated.

Condition Ratings

Culvert
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
1952
Material
Concrete
Number of Spans
2
Structure Length
6.7 m (22 ft)
Deck Width
9.1 m (30 ft)
Owner
County Highway Agency
Avg Daily Traffic
62 vehicles/day
Structure Number
000000000081670

How to read this record

This page shows what the last federal inspection recorded, not whether CARTER 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 CARTER 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 CARTER AVE?

CARTER AVE in Buchanan, Iowa on the FHWA's 0–9 scale.

How often is CARTER AVE inspected?

CARTER 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. CARTER 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 CARTER AVE?

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

Who is responsible for maintaining CARTER AVE?

CARTER AVE is owned and maintained by County Highway Agency.

How old is CARTER AVE and does age affect safety?

CARTER AVE was built in 1952, making it 74 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.