FHWA NBI 2024 Inspection record Public-domain dataset

DANFORD RD

Carrying DANFORD RD over CANYON CREEK DITCH 108

5M SW BILLINGS, Yellowstone, Montana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
32 t Inventory load rating

Bridge Snapshot: DANFORD RD

The DANFORD RD bridge in Yellowstone, Montana carries DANFORD RD over CANYON CREEK DITCH 108. It was built in 1938, making it 88 years old today. It was last reconstructed in 1966, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 8.5 meters (28 feet) end to end. Daily traffic averages 1,146 vehicles, placing it in the moderately-trafficked tier of Montana bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 5/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 31.8 metric tons.

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

How DANFORD RD compares

▲ 1.1
Load rating vs Montana average (30.7 t)
Top 42%
Higher load rating than 58% of Montana bridges
283
Bridges in Yellowstone · 3 in Poor condition
DANFORD RD 31.8 t
Montana average 30.7 t

Live comparison across Montana.

Historical Sufficiency Rating

PlainBridge-computed
70.0 / 100 - historical 50–79.9 band
Structural adequacy /55
44.8
Serviceability /30
12.6
Essentiality /15
14.5
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
31.8 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1938
Last Reconstructed
1966
Material
Steel
Number of Spans
1
Structure Length
8.5 m (28 ft)
Deck Width
7.9 m (26 ft)
Owner
County Highway Agency
Avg Daily Traffic
1,146 vehicles/day
Structure Number
L56525005+04001

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • 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 DANFORD RD 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 DANFORD RD against other structures in Yellowstone and across Montana. Montana 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 DANFORD RD?

DANFORD RD in Yellowstone, Montana has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is DANFORD RD inspected?

DANFORD RD'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 1,146 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. DANFORD RD 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 DANFORD RD?

DANFORD RD has an NBI inventory load rating of 31.8 metric tons.

Who is responsible for maintaining DANFORD RD?

DANFORD RD is owned and maintained by County Highway Agency.

How old is DANFORD RD and does age affect safety?

DANFORD RD was built in 1938, making it 88 years old and last reconstructed in 1966.

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.