Pa Cnty Rd 4DT
Carrying Pa Cnty Rd 4DT over Sunshine Supply Canal
14 Miles Sw Of Meeteetse, Park, Wyoming
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
Pa Cnty Rd 4DT in Park, Wyoming sits above 96% of rated Wyoming bridges on inventory load rating (54 t), while its 1973 build year is earlier than 52% of Park's recorded-year cohort (187 bridges).
Pa Cnty Rd 4DT in Park, Wyoming is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1973, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. The lowest applicable rating sets the federal condition category, so this Fair result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure WY:DDQ
INTERSTATE-ERA · STEEL · MULTI-SPAN · TIED-CTRL · LOCAL-ADT · HEAVY-LOAD · CAT-FAIR
- INTERSTATE-ERA 1950–1979
- STEEL Steel
- MULTI-SPAN 3 spans
- TIED-CTRL Tied control
- LOCAL-ADT Local ADT
- HEAVY-LOAD Heavy load
- CAT-FAIR Fair
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
Bridge Snapshot: Pa Cnty Rd 4DT
The Pa Cnty Rd 4DT bridge in Park, Wyoming carries Pa Cnty Rd 4DT over Sunshine Supply Canal. It was built in 1973, making it 53 years old today. The structure is built primarily of steel and spans 3 sections, stretching 11.1 meters (36 feet) end to end. Daily traffic averages 175 vehicles, placing it in the lower-traffic tier of Wyoming bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show a deck rating of 6/9, superstructure at 7/9, substructure at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range.
How Pa Cnty Rd 4DT compares
Age against the county: built in 1973, earlier than 97 of Park's 187 bridges with a recorded construction year (52%), against a county median build year of 1974. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Wyoming bridges with a recorded inventory load rating (3,118 of 3,136 rated).
Pa Cnty Rd 4DT vs every rated Wyoming bridge
Inventory load rating (metric tons), FHWA NBI, this state
54 Top 4% higher than 96% of 3,118 bridges
rated Wyoming bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.
Park inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 187 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
Structural Details
- Year Built
- 1973
- Material
- Steel
- Number of Spans
- 3
- Structure Length
- 11.1 m (36 ft)
- Deck Width
- 9.8 m (32 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 175 vehicles/day
- Structure Number
- DDQ
Condition Analysis
- • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
- • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
- • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether Pa Cnty Rd 4DT 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 Pa Cnty Rd 4DT against other structures in Park 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 Pa Cnty Rd 4DT?
Pa Cnty Rd 4DT in Park, Wyoming has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.
How often is Pa Cnty Rd 4DT inspected?
Pa Cnty Rd 4DT'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 175 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. Pa Cnty Rd 4DT 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 Pa Cnty Rd 4DT?
Pa Cnty Rd 4DT has an NBI inventory load rating of 54.0 metric tons.
Who is responsible for maintaining Pa Cnty Rd 4DT?
Pa Cnty Rd 4DT is owned and maintained by County Highway Agency.
How old is Pa Cnty Rd 4DT and does age affect safety?
Pa Cnty Rd 4DT was built in 1973, making it 53 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.
Share this inspection record
Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.