T784 Miller Run Rd
Carrying T784 Miller Run Rd over Miller Run
2.5Mi NW of Central City, Somerset, Pennsylvania
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
T784 Miller Run Rd in Somerset, Pennsylvania sits above 27% of rated Pennsylvania bridges on inventory load rating (33 t), while its 1990 build year is earlier than 37% of Somerset's recorded-year cohort (454 bridges).
T784 Miller Run Rd in Somerset, Pennsylvania is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1990, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 4. The lowest applicable rating sets the federal condition category, so this Poor 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 PA:000000000047938
LATE-CENTURY · STEEL · SINGLE-SPAN · CULVERT-LED · LOCAL-ADT · STANDARD-LOAD · CAT-POOR
- LATE-CENTURY 1980–1999
- STEEL Steel
- SINGLE-SPAN Single span
- CULVERT-LED Culvert-led
- LOCAL-ADT Local ADT
- STANDARD-LOAD Standard load
- CAT-POOR Poor
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: T784 Miller Run Rd
The T784 Miller Run Rd bridge in Somerset, Pennsylvania carries T784 Miller Run Rd over Miller Run. It was built in 1990, making it 36 years old today. The structure is built primarily of steel and spans 1 section, stretching 8.2 meters (27 feet) end to end. Daily traffic averages 50 vehicles, placing it in the lower-traffic tier of Pennsylvania bridges. It is owned and maintained by Town/Township Highway Agency.
The latest FHWA inspection records show culvert 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.
How T784 Miller Run Rd compares
Age against the county: built in 1990, earlier than 170 of Somerset's 454 bridges with a recorded construction year (37%), against a county median build year of 1969. This is one of the newer structures in its county.
Live comparison across Pennsylvania bridges with a recorded inventory load rating (23,297 of 23,299 rated).
T784 Miller Run Rd vs every rated Pennsylvania bridge
Inventory load rating (metric tons), FHWA NBI, this state
33 Top 73% higher than 27% of 23,297 bridges
rated Pennsylvania 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.
Somerset inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 454 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
- 1990
- Material
- Steel
- Number of Spans
- 1
- Structure Length
- 8.2 m (27 ft)
- Deck Width
- 5.4 m (18 ft)
- Owner
- Town/Township Highway Agency
- Avg Daily Traffic
- 50 vehicles/day
- Structure Number
- 000000000047938
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
T784 Miller Run Rd 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 T784 Miller Run Rd against other structures in Somerset and across Pennsylvania. Pennsylvania 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 T784 Miller Run Rd?
T784 Miller Run Rd in Somerset, Pennsylvania on the FHWA's 0–9 scale.
How often is T784 Miller Run Rd inspected?
T784 Miller Run Rd'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 50 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. T784 Miller Run Rd 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 T784 Miller Run Rd?
T784 Miller Run Rd has an NBI inventory load rating of 32.7 metric tons.
Who is responsible for maintaining T784 Miller Run Rd?
T784 Miller Run Rd is owned and maintained by Town/Township Highway Agency.
How old is T784 Miller Run Rd and does age affect safety?
T784 Miller Run Rd was built in 1990, making it 36 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.