FHWA NBI 2024 Inspection record Public-domain dataset

T-318

Carrying T-318 over ELK RUN WEST

VILLAGE OF WATROUS, Tioga, Pennsylvania

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
15 t Inventory load rating

Bridge Snapshot: T-318

The T-318 bridge in Tioga, Pennsylvania carries T-318 over ELK RUN WEST. It was built in 1925, making it 101 years old today. It was last reconstructed in 1995, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 11.0 meters (36 feet) end to end. Daily traffic averages 10 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 a deck rating of 5/9, superstructure at 6/9, substructure at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 14.5 metric tons.

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

How T-318 compares

▼ 24.8
Load rating vs Pennsylvania average (39.3 t)
Bottom 4%
Lower load rating than 96% of Pennsylvania bridges
429
Bridges in Tioga · 14 in Poor condition
T-318 14.5 t
Pennsylvania average 39.3 t

Live comparison across Pennsylvania.

Historical Sufficiency Rating

PlainBridge-computed
46.2 / 100 - historical 20–49.9 band
Structural adequacy /55
30.4
Serviceability /30
9.0
Essentiality /15
14.8
Special reductions
−8.0

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 How the historical reference is calculated.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
6/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
14.5 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1925
Last Reconstructed
1995
Material
Steel
Number of Spans
1
Structure Length
11.0 m (36 ft)
Deck Width
3.7 m (12 ft)
Owner
Town/Township Highway Agency
Avg Daily Traffic
10 vehicles/day
Structure Number
000000000033270

Condition Analysis

  • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • The substructure (piers and abutments) rates fair at 6/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether T-318 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 T-318 against other structures in Tioga 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 T-318?

T-318 in Tioga, Pennsylvania has a deck rating of 5/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is T-318 inspected?

T-318'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. T-318 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 T-318?

T-318 has an NBI inventory load rating of 14.5 metric tons.

Who is responsible for maintaining T-318?

T-318 is owned and maintained by Town/Township Highway Agency.

How old is T-318 and does age affect safety?

T-318 was built in 1925, making it 101 years old and last reconstructed in 1995.

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.