FHWA NBI 2024 Inspection record Public-domain dataset

SR 1018,MLLDGVLL.R

Carrying SR 1018,MLLDGVLL.R over OVER LAKE WILHELM

DEER CREEK TOWNSHIP, Mercer, Pennsylvania

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
25 t Inventory load rating

Bridge Snapshot: SR 1018,MLLDGVLL.R

The SR 1018,MLLDGVLL.R bridge in Mercer, Pennsylvania carries SR 1018,MLLDGVLL.R over OVER LAKE WILHELM. It was built in 1969, making it 57 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 45.4 meters (149 feet) end to end. Daily traffic averages 631 vehicles, placing it in the lower-traffic tier of Pennsylvania bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 24.5 metric tons.

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

How SR 1018,MLLDGVLL.R compares

▼ 14.8
Load rating vs Pennsylvania average (39.3 t)
Bottom 10%
Lower load rating than 90% of Pennsylvania bridges
273
Bridges in Mercer · 37 in Poor condition
SR 1018,MLLDGVLL.R 24.5 t
Pennsylvania average 39.3 t

Live comparison across Pennsylvania.

Historical Sufficiency Rating

PlainBridge-computed
90.4 / 100 - historical 80–100 band
Structural adequacy /55
47.8
Serviceability /30
30.0
Essentiality /15
14.6
Special reductions
−2.0

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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
24.5 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1969
Material
Prestressed Concrete
Number of Spans
1
Structure Length
45.4 m (149 ft)
Deck Width
14.6 m (48 ft)
Owner
State Highway Agency
Avg Daily Traffic
631 vehicles/day
Structure Number
000000000025935

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.
  • 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 SR 1018,MLLDGVLL.R 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 SR 1018,MLLDGVLL.R against other structures in Mercer 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 SR 1018,MLLDGVLL.R?

SR 1018,MLLDGVLL.R in Mercer, Pennsylvania has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is SR 1018,MLLDGVLL.R inspected?

SR 1018,MLLDGVLL.R'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 631 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SR 1018,MLLDGVLL.R 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 SR 1018,MLLDGVLL.R?

SR 1018,MLLDGVLL.R has an NBI inventory load rating of 24.5 metric tons.

Who is responsible for maintaining SR 1018,MLLDGVLL.R?

SR 1018,MLLDGVLL.R is owned and maintained by State Highway Agency.

How old is SR 1018,MLLDGVLL.R and does age affect safety?

SR 1018,MLLDGVLL.R was built in 1969, making it 57 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.