FHWA NBI 2024 Inspection record Public-domain dataset

CR 121

Carrying CR 121 over RUSH CREEK

.45 MILES EAST OF TR 138, Logan, Ohio

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
32 t Inventory load rating

Bridge Snapshot: CR 121

The CR 121 bridge in Logan, Ohio carries CR 121 over RUSH CREEK. It was built in 1986, making it 40 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 22.6 meters (74 feet) end to end. Daily traffic averages 120 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 9/9, superstructure at 8/9, substructure at 9/9. The weakest component sits in good condition. All reported major components score above the Poor range. 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 CR 121 compares

▼ 5.1
Load rating vs Ohio average (37.5 t)
Bottom 26%
Lower load rating than 74% of Ohio bridges
281
Bridges in Logan · 3 in Poor condition
CR 121 32.4 t
Ohio average 37.5 t

Live comparison across Ohio.

Historical Sufficiency Rating

PlainBridge-computed
94.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
25.0
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 How the historical reference is calculated.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
9/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
9/9
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
1986
Material
Prestressed Concrete
Number of Spans
1
Structure Length
22.6 m (74 ft)
Deck Width
8.5 m (28 ft)
Owner
County Highway Agency
Avg Daily Traffic
120 vehicles/day
Structure Number
4641469

Condition Analysis

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

How to read this record

This page shows what the last federal inspection recorded, not whether CR 121 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 CR 121 against other structures in Logan 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 CR 121?

CR 121 in Logan, Ohio has a deck rating of 9/9, superstructure rating of 8/9, and substructure rating of 9/9 on the FHWA's 0–9 scale.

How often is CR 121 inspected?

CR 121'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 120 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. CR 121 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 CR 121?

CR 121 has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining CR 121?

CR 121 is owned and maintained by County Highway Agency.

How old is CR 121 and does age affect safety?

CR 121 was built in 1986, making it 40 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.