FHWA NBI 2024 Inspection record Public-domain dataset

FLYNN LN

Carrying FLYNN LN over BROADWATER MISSOURI 006

5M N TOSTON, Broadwater, Montana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
27 t Inventory load rating

Bridge Snapshot: FLYNN LN

The FLYNN LN bridge in Broadwater, Montana carries FLYNN LN over BROADWATER MISSOURI 006. It was built in 1976, making it 50 years old today. It was last reconstructed in 1991, extending its service life. The structure is built primarily of prestressed concrete and spans 1 section, stretching 7.0 meters (23 feet) end to end. Daily traffic averages 100 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 6/9, superstructure at 5/9, substructure at 4/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 27.2 metric tons.

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

How FLYNN LN compares

▼ 3.5
Load rating vs Montana average (30.7 t)
Bottom 40%
Lower load rating than 60% of Montana bridges
31
Bridges in Broadwater · 2 in Poor condition
FLYNN LN 27.2 t
Montana average 30.7 t

Live comparison across Montana.

Historical Sufficiency Rating

PlainBridge-computed
67.1 / 100 - historical 50–79.9 band
Structural adequacy /55
26.1
Serviceability /30
28.0
Essentiality /15
14.9
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
27.2 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1976
Last Reconstructed
1991
Material
Prestressed Concrete
Number of Spans
1
Structure Length
7.0 m (23 ft)
Deck Width
8.9 m (29 ft)
Owner
County Highway Agency
Avg Daily Traffic
100 vehicles/day
Structure Number
L04404003+04001

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The superstructure (beams and supports above the deck) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) is in poor condition (4/9), showing advanced deterioration that may require priority repair.

How to read this record

FLYNN LN is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare FLYNN LN against other structures in Broadwater 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 FLYNN LN?

FLYNN LN in Broadwater, Montana has a deck rating of 6/9, superstructure rating of 5/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is FLYNN LN inspected?

FLYNN LN'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 100 vehicles per day.

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

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

What is the inventory load rating for FLYNN LN?

FLYNN LN has an NBI inventory load rating of 27.2 metric tons.

Who is responsible for maintaining FLYNN LN?

FLYNN LN is owned and maintained by County Highway Agency.

How old is FLYNN LN and does age affect safety?

FLYNN LN was built in 1976, making it 50 years old and last reconstructed in 1991.

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.