FHWA NBI 2024 Inspection record Public-domain dataset

SMITH BRIDGE TR318

Carrying SMITH BRIDGE TR318 over TENMILE CREEK

300' WEST OF SR 2020, Washington, Pennsylvania

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
20 t Inventory load rating

Bridge Snapshot: SMITH BRIDGE TR318

The SMITH BRIDGE TR318 bridge in Washington, Pennsylvania carries SMITH BRIDGE TR318 over TENMILE CREEK. It was built in 1954, making it 72 years old today. The structure is built primarily of steel and spans 2 sections, stretching 25.9 meters (85 feet) end to end. Daily traffic averages 75 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 5/9, superstructure at 4/9, substructure at 5/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 20.0 metric tons.

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

How SMITH BRIDGE TR318 compares

▼ 19.3
Load rating vs Pennsylvania average (39.3 t)
Bottom 7%
Lower load rating than 93% of Pennsylvania bridges
655
Bridges in Washington · 77 in Poor condition
SMITH BRIDGE TR318 20.0 t
Pennsylvania average 39.3 t

Live comparison across Pennsylvania.

Historical Sufficiency Rating

PlainBridge-computed
51.7 / 100 - historical 50–79.9 band
Structural adequacy /55
15.8
Serviceability /30
24.0
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
4/9
Poor (1–4)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
20.0 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1954
Material
Steel
Number of Spans
2
Structure Length
25.9 m (85 ft)
Deck Width
5.8 m (19 ft)
Owner
County Highway Agency
Avg Daily Traffic
75 vehicles/day
Structure Number
000000000035240

Condition Analysis

  • At 5/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • At 4/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear flagged for priority repair.
  • At 5/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

SMITH BRIDGE TR318 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 SMITH BRIDGE TR318 against other structures in Washington 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 SMITH BRIDGE TR318?

SMITH BRIDGE TR318 in Washington, Pennsylvania has a deck rating of 5/9, superstructure rating of 4/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is SMITH BRIDGE TR318 inspected?

SMITH BRIDGE TR318'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 75 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SMITH BRIDGE TR318 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 SMITH BRIDGE TR318?

SMITH BRIDGE TR318 has an NBI inventory load rating of 20.0 metric tons.

Who is responsible for maintaining SMITH BRIDGE TR318?

SMITH BRIDGE TR318 is owned and maintained by County Highway Agency.

How old is SMITH BRIDGE TR318 and does age affect safety?

SMITH BRIDGE TR318 was built in 1954, making it 72 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.