FHWA NBI 2024 Inspection record Public-domain dataset

MARTIN-WILLISTON

Carrying MARTIN-WILLISTON over TOUSSAINT CREEK

1.0 MI. S. JCT SR163, Ottawa, Ohio

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
33 t Inventory load rating

Bridge Snapshot: MARTIN-WILLISTON

The MARTIN-WILLISTON bridge in Ottawa, Ohio carries MARTIN-WILLISTON over TOUSSAINT CREEK. It was built in 1972, making it 54 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 24.7 meters (81 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 7/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 33.4 metric tons.

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

How MARTIN-WILLISTON compares

▼ 4.1
Load rating vs Ohio average (37.5 t)
Bottom 49%
Lower load rating than 51% of Ohio bridges
158
Bridges in Ottawa · 2 in Poor condition
MARTIN-WILLISTON 33.4 t
Ohio average 37.5 t

Live comparison across Ohio.

Historical Sufficiency Rating

PlainBridge-computed
91.9 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
25.0
Essentiality /15
14.9
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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
33.4 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1972
Material
Concrete Continuous
Number of Spans
3
Structure Length
24.7 m (81 ft)
Deck Width
10.1 m (33 ft)
Owner
County Highway Agency
Avg Daily Traffic
324 vehicles/day
Structure Number
6235085

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether MARTIN-WILLISTON 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 MARTIN-WILLISTON 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 MARTIN-WILLISTON?

MARTIN-WILLISTON in Ottawa, Ohio has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is MARTIN-WILLISTON inspected?

MARTIN-WILLISTON'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. MARTIN-WILLISTON 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 MARTIN-WILLISTON?

MARTIN-WILLISTON has an NBI inventory load rating of 33.4 metric tons.

Who is responsible for maintaining MARTIN-WILLISTON?

MARTIN-WILLISTON is owned and maintained by County Highway Agency.

How old is MARTIN-WILLISTON and does age affect safety?

MARTIN-WILLISTON was built in 1972, making it 54 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.