FHWA NBI 2024 Inspection record Public-domain dataset

SWAMP CR ROAD

Carrying SWAMP CR ROAD over BIG SWAMP CR

BIG SWAMP CR, Beaverhead, Montana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
27 t Inventory load rating

Bridge Snapshot: SWAMP CR ROAD

The SWAMP CR ROAD bridge in Beaverhead, Montana carries SWAMP CR ROAD over BIG SWAMP CR. It was built in 1968, making it 58 years old today. The structure is built primarily of wood or timber and spans 1 section, stretching 7.5 meters (25 feet) end to end. Daily traffic averages 15 vehicles, placing it in the lower-traffic tier of Montana bridges. It is owned and maintained by U.S. Forest Service.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 7/9, substructure at 4/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 26.6 metric tons.

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

How SWAMP CR ROAD compares

▼ 4.1
Load rating vs Montana average (30.7 t)
Bottom 39%
Lower load rating than 61% of Montana bridges
217
Bridges in Beaverhead · 20 in Poor condition
SWAMP CR ROAD 26.6 t
Montana average 30.7 t

Live comparison across Montana.

Historical Sufficiency Rating

PlainBridge-computed
49.5 / 100 - historical 20–49.9 band
Structural adequacy /55
25.5
Serviceability /30
9.0
Essentiality /15
15.0
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 How the historical reference is calculated.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

Deck
6/9
Fair (5–6)
Superstructure
7/9
Good (7–9)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
26.6 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1968
Material
Wood or Timber
Number of Spans
1
Structure Length
7.5 m (25 ft)
Deck Width
4.6 m (15 ft)
Owner
U.S. Forest Service
Avg Daily Traffic
15 vehicles/day
Structure Number
010203000000093

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • At 4/9, the substructure (piers and abutments) is in poor shape, with advanced wear flagged for priority repair.

How to read this record

SWAMP CR ROAD 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 SWAMP CR ROAD against other structures in Beaverhead 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 SWAMP CR ROAD?

SWAMP CR ROAD in Beaverhead, Montana has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is SWAMP CR ROAD inspected?

SWAMP CR ROAD'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 15 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SWAMP CR ROAD 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 SWAMP CR ROAD?

SWAMP CR ROAD has an NBI inventory load rating of 26.6 metric tons.

Who is responsible for maintaining SWAMP CR ROAD?

SWAMP CR ROAD is owned and maintained by U.S. Forest Service.

How old is SWAMP CR ROAD and does age affect safety?

SWAMP CR ROAD was built in 1968, making it 58 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.