FHWA NBI 2024 Inspection record Public-domain dataset

FOUR MILE HOUSE RD

Carrying FOUR MILE HOUSE RD over WOLF CREEK

1.2 MI. N. JCT CR6, Ottawa, Ohio

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
28 t Inventory load rating

Bridge Snapshot: FOUR MILE HOUSE RD

The FOUR MILE HOUSE RD bridge in Ottawa, Ohio carries FOUR MILE HOUSE RD over WOLF CREEK. It was built in 1940, making it 86 years old today. The structure is built primarily of concrete and spans 1 section, stretching 8.5 meters (28 feet) end to end. Daily traffic averages 324 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 6/9, superstructure at 6/9, substructure at 6/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 27.9 metric tons.

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

How FOUR MILE HOUSE RD compares

▼ 9.6
Load rating vs Ohio average (37.5 t)
Bottom 18%
Lower load rating than 82% of Ohio bridges
158
Bridges in Ottawa · 2 in Poor condition
FOUR MILE HOUSE RD 27.9 t
Ohio average 37.5 t

Live comparison across Ohio.

Historical Sufficiency Rating

PlainBridge-computed
77.7 / 100 - historical 50–79.9 band
Structural adequacy /55
51.9
Serviceability /30
14.0
Essentiality /15
14.8
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
27.9 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1940
Material
Concrete
Number of Spans
1
Structure Length
8.5 m (28 ft)
Deck Width
8.2 m (27 ft)
Owner
County Highway Agency
Avg Daily Traffic
324 vehicles/day
Structure Number
6241387

Condition Analysis

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

How to read this record

This page shows what the last federal inspection recorded, not whether FOUR MILE HOUSE RD 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 FOUR MILE HOUSE RD against other structures in Ottawa 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 FOUR MILE HOUSE RD?

FOUR MILE HOUSE RD in Ottawa, Ohio has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is FOUR MILE HOUSE RD inspected?

FOUR MILE HOUSE RD'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 324 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. FOUR MILE HOUSE RD 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 FOUR MILE HOUSE RD?

FOUR MILE HOUSE RD has an NBI inventory load rating of 27.9 metric tons.

Who is responsible for maintaining FOUR MILE HOUSE RD?

FOUR MILE HOUSE RD is owned and maintained by County Highway Agency.

How old is FOUR MILE HOUSE RD and does age affect safety?

FOUR MILE HOUSE RD was built in 1940, making it 86 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.