FHWA NBI 2024 Inspection record Public-domain dataset

FRONTAGE ROAD 201

Carrying FRONTAGE ROAD 201 over INT MOON CREEK-I 94 005

10M SW MILES CITY, Custer, Montana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Unknown

Bridge Snapshot: FRONTAGE ROAD 201

The FRONTAGE ROAD 201 bridge in Custer, Montana carries FRONTAGE ROAD 201 over INT MOON CREEK-I 94 005. It was built in 1962, making it 64 years old today. The structure is built primarily of prestressed concrete. Daily traffic averages 2,323 vehicles, placing it in the moderately-trafficked tier of Montana bridges.

The latest FHWA inspection records show limited component ratings on file. The weakest component sits in unrated condition. No reported major component scores in the Poor range under the current federal condition thresholds.

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

How FRONTAGE ROAD 201 compares

71
Bridges in Custer · 1 in Poor condition

Live comparison across Montana.

Historical Sufficiency Rating

PlainBridge-computed
77.8 / 100 - historical 50–79.9 band
Structural adequacy /55
43.8
Serviceability /30
21.0
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 How the historical reference is calculated.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

Overall Condition
Unrated

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

Structural Details

Year Built
1962
Material
Prestressed Concrete
Avg Daily Traffic
2,323 vehicles/day
Structure Number
L09201000+01001

How to read this record

This page shows what the last federal inspection recorded, not whether FRONTAGE ROAD 201 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 201 against other structures in Custer 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 201?

FRONTAGE ROAD 201 in Custer, Montana on the FHWA's 0–9 scale.

How often is FRONTAGE ROAD 201 inspected?

FRONTAGE ROAD 201'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 2,323 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. FRONTAGE ROAD 201 is currently shown as unrated condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for FRONTAGE ROAD 201?

An inventory load rating is not recorded for FRONTAGE ROAD 201.

Who is responsible for maintaining FRONTAGE ROAD 201?

Ownership is not specified for FRONTAGE ROAD 201 in the NBI.

How old is FRONTAGE ROAD 201 and does age affect safety?

FRONTAGE ROAD 201 was built in 1962, making it 64 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.