FHWA NBI 2024 Inspection record Public-domain dataset

FOREST ROAD 30530

Carrying FOREST ROAD 30530 over CLIFF CREEK

NO DATA ENTERED, Sublette, Wyoming

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
23 t Inventory load rating

Bridge Snapshot: FOREST ROAD 30530

The FOREST ROAD 30530 bridge in Sublette, Wyoming carries FOREST ROAD 30530 over CLIFF CREEK. It was built in 1958, making it 68 years old today. The structure is built primarily of wood or timber and spans 1 section, stretching 10.0 meters (33 feet) end to end. Daily traffic averages 10 vehicles, placing it in the lower-traffic tier of Wyoming 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 7/9. 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 23.0 metric tons.

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

How FOREST ROAD 30530 compares

▼ 10.5
Load rating vs Wyoming average (33.5 t)
Bottom 10%
Lower load rating than 90% of Wyoming bridges
109
Bridges in Sublette · 10 in Poor condition
FOREST ROAD 30530 23.0 t
Wyoming average 33.5 t

Live comparison across Wyoming.

Historical Sufficiency Rating

PlainBridge-computed
75.1 / 100 - historical 50–79.9 band
Structural adequacy /55
45.6
Serviceability /30
17.5
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
23.0 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1958
Material
Wood or Timber
Number of Spans
1
Structure Length
10.0 m (33 ft)
Deck Width
4.9 m (16 ft)
Owner
U.S. Forest Service
Avg Daily Traffic
10 vehicles/day
Structure Number
040302000001069

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

This page shows what the last federal inspection recorded, not whether FOREST ROAD 30530 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 FOREST ROAD 30530 against other structures in Sublette and across Wyoming. Wyoming 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 FOREST ROAD 30530?

FOREST ROAD 30530 in Sublette, Wyoming has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is FOREST ROAD 30530 inspected?

FOREST ROAD 30530'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 10 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. FOREST ROAD 30530 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 FOREST ROAD 30530?

FOREST ROAD 30530 has an NBI inventory load rating of 23.0 metric tons.

Who is responsible for maintaining FOREST ROAD 30530?

FOREST ROAD 30530 is owned and maintained by U.S. Forest Service.

How old is FOREST ROAD 30530 and does age affect safety?

FOREST ROAD 30530 was built in 1958, making it 68 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.