FHWA NBI 2024 Inspection record Public-domain dataset

FRONTAGE ROAD 020

Carrying FRONTAGE ROAD 020 over RESERVATION CREEK 036

12M W FORSYTH, Rosebud, Montana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
26 t Inventory load rating

Bridge Snapshot: FRONTAGE ROAD 020

The FRONTAGE ROAD 020 bridge in Rosebud, Montana carries FRONTAGE ROAD 020 over RESERVATION CREEK 036. It was built in 1928, making it 98 years old today. The structure is built primarily of steel and spans 3 sections, stretching 20.4 meters (67 feet) end to end. Daily traffic averages 25 vehicles, placing it in the lower-traffic tier of Montana bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 6/9, substructure 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 26.3 metric tons.

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

How FRONTAGE ROAD 020 compares

▼ 4.4
Load rating vs Montana average (30.7 t)
Bottom 37%
Lower load rating than 63% of Montana bridges
114
Bridges in Rosebud · 6 in Poor condition
FRONTAGE ROAD 020 26.3 t
Montana average 30.7 t

Live comparison across Montana.

Historical Sufficiency Rating

PlainBridge-computed
79.1 / 100 - historical 50–79.9 band
Structural adequacy /55
40.1
Serviceability /30
27.0
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 How the historical reference is calculated.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

Deck
7/9
Good (7–9)
Superstructure
6/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
26.3 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1928
Material
Steel
Number of Spans
3
Structure Length
20.4 m (67 ft)
Deck Width
7.0 m (23 ft)
Owner
County Highway Agency
Avg Daily Traffic
25 vehicles/day
Structure Number
L44020001+05001

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • 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) rates fair at 5/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether FRONTAGE ROAD 020 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 FRONTAGE ROAD 020 against other structures in Rosebud 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 FRONTAGE ROAD 020?

FRONTAGE ROAD 020 in Rosebud, Montana has a deck rating of 7/9, superstructure rating of 6/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is FRONTAGE ROAD 020 inspected?

FRONTAGE ROAD 020'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 25 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. FRONTAGE ROAD 020 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 FRONTAGE ROAD 020?

FRONTAGE ROAD 020 has an NBI inventory load rating of 26.3 metric tons.

Who is responsible for maintaining FRONTAGE ROAD 020?

FRONTAGE ROAD 020 is owned and maintained by County Highway Agency.

How old is FRONTAGE ROAD 020 and does age affect safety?

FRONTAGE ROAD 020 was built in 1928, making it 98 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.