FHWA NBI 2024 Inspection record Public-domain dataset

RIDGE RD., T-563

Carrying RIDGE RD., T-563 over ARMSTRONG CREEK

.6E HLFX/URICH SCH/ARMSTR, Dauphin, Pennsylvania

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
41 t Inventory load rating

Bridge Snapshot: RIDGE RD., T-563

The RIDGE RD., T-563 bridge in Dauphin, Pennsylvania carries RIDGE RD., T-563 over ARMSTRONG CREEK. It was built in 1998, making it 28 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 15.2 meters (50 feet) end to end. Daily traffic averages 150 vehicles, placing it in the lower-traffic tier of Pennsylvania bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 40.8 metric tons.

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

How RIDGE RD., T-563 compares

▲ 1.5
Load rating vs Pennsylvania average (39.3 t)
Top 39%
Higher load rating than 61% of Pennsylvania bridges
283
Bridges in Dauphin · 19 in Poor condition
RIDGE RD., T-563 40.8 t
Pennsylvania average 39.3 t

Live comparison across Pennsylvania.

Historical Sufficiency Rating

PlainBridge-computed
99.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
15.0
Special reductions
−1.0

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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
40.8 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1998
Material
Prestressed Concrete
Number of Spans
1
Structure Length
15.2 m (50 ft)
Deck Width
9.6 m (31 ft)
Owner
County Highway Agency
Avg Daily Traffic
150 vehicles/day
Structure Number
000000000040631

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
  • 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 RIDGE RD., T-563 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 RIDGE RD., T-563 against other structures in Dauphin 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 RIDGE RD., T-563?

RIDGE RD., T-563 in Dauphin, Pennsylvania has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is RIDGE RD., T-563 inspected?

RIDGE RD., T-563'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 150 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. RIDGE RD., T-563 is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for RIDGE RD., T-563?

RIDGE RD., T-563 has an NBI inventory load rating of 40.8 metric tons.

Who is responsible for maintaining RIDGE RD., T-563?

RIDGE RD., T-563 is owned and maintained by County Highway Agency.

How old is RIDGE RD., T-563 and does age affect safety?

RIDGE RD., T-563 was built in 1998, making it 28 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.