FHWA NBI 2024 Inspection record Public-domain dataset

C170 FRAHM PIKE

Carrying C170 FRAHM PIKE over TWELVEMILE CREEK

0.7 MI. E. OF SR118, Mercer, Ohio

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
32 t Inventory load rating

Bridge Snapshot: C170 FRAHM PIKE

The C170 FRAHM PIKE bridge in Mercer, Ohio carries C170 FRAHM PIKE over TWELVEMILE CREEK. It was built in 2006, making it 20 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 19.2 meters (63 feet) end to end. Daily traffic averages 470 vehicles, placing it in the lower-traffic tier of Ohio bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 8/9, superstructure at 8/9, substructure at 8/9. 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 32.4 metric tons.

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

How C170 FRAHM PIKE compares

▼ 5.1
Load rating vs Ohio average (37.5 t)
Bottom 26%
Lower load rating than 74% of Ohio bridges
329
Bridges in Mercer · 9 in Poor condition
C170 FRAHM PIKE 32.4 t
Ohio average 37.5 t

Live comparison across Ohio.

Historical Sufficiency Rating

PlainBridge-computed
99.9 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
14.9
Special reductions
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 How the historical reference is calculated.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
8/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
8/9
Good (7–9)
Inventory Load Rating
32.4 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2006
Material
Prestressed Concrete
Number of Spans
1
Structure Length
19.2 m (63 ft)
Deck Width
11.0 m (36 ft)
Owner
County Highway Agency
Avg Daily Traffic
470 vehicles/day
Structure Number
5443571

Condition Analysis

  • The deck (driving surface) is in good condition (8/9), showing no significant deterioration.
  • At 8/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • The substructure (piers and abutments) rates good at 8/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether C170 FRAHM PIKE 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 C170 FRAHM PIKE against other structures in Mercer and across Ohio. Ohio 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 C170 FRAHM PIKE?

C170 FRAHM PIKE in Mercer, Ohio has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is C170 FRAHM PIKE inspected?

C170 FRAHM PIKE'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 470 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. C170 FRAHM PIKE 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 C170 FRAHM PIKE?

C170 FRAHM PIKE has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining C170 FRAHM PIKE?

C170 FRAHM PIKE is owned and maintained by County Highway Agency.

How old is C170 FRAHM PIKE and does age affect safety?

C170 FRAHM PIKE was built in 2006, making it 20 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.