FHWA NBI 2024 Inspection record Public-domain dataset

US 33

Carrying US 33 over BLUE CREEK

01.18 S SR 101, Adams, Indiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
23 t Inventory load rating

Bridge Snapshot: US 33

The US 33 bridge in Adams, Indiana carries US 33 over BLUE CREEK. It was built in 1934, making it 92 years old today. The structure is built primarily of concrete and spans 1 section, stretching 18.3 meters (60 feet) end to end. Daily traffic averages 2,443 vehicles, placing it in the moderately-trafficked tier of Indiana bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show culvert at 6/9. 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 22.5 metric tons.

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

How US 33 compares

▼ 13.1
Load rating vs Indiana average (35.6 t)
Bottom 9%
Lower load rating than 91% of Indiana bridges
191
Bridges in Adams · 2 in Poor condition
US 33 22.5 t
Indiana average 35.6 t

Live comparison across Indiana.

Historical Sufficiency Rating

PlainBridge-computed
87.1 / 100 - historical 80–100 band
Structural adequacy /55
44.9
Serviceability /30
28.0
Essentiality /15
14.2
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 How the historical reference is calculated.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

Culvert
6/9
Fair (5–6)
Inventory Load Rating
22.5 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1934
Material
Concrete
Number of Spans
1
Structure Length
18.3 m (60 ft)
Deck Width
9.8 m (32 ft)
Owner
State Highway Agency
Avg Daily Traffic
2,443 vehicles/day
Structure Number
010860

How to read this record

This page shows what the last federal inspection recorded, not whether US 33 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 US 33 against other structures in Adams and across Indiana. Indiana 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 US 33?

US 33 in Adams, Indiana on the FHWA's 0–9 scale.

How often is US 33 inspected?

US 33'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 2,443 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. US 33 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 US 33?

US 33 has an NBI inventory load rating of 22.5 metric tons.

Who is responsible for maintaining US 33?

US 33 is owned and maintained by State Highway Agency.

How old is US 33 and does age affect safety?

US 33 was built in 1934, making it 92 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.