FHWA NBI 2024 Inspection record Public-domain dataset

THAYER RD.

Carrying THAYER RD. over CRANBERRY CREEK THAYER

0.38 MI N OF CAMPBELL RD, Allen, Ohio

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
8 t Inventory load rating

Bridge Snapshot: THAYER RD.

The THAYER RD. bridge in Allen, Ohio carries THAYER RD. over CRANBERRY CREEK THAYER. It was built in 1963, making it 63 years old today. The structure is built primarily of steel and spans 1 section, stretching 10.1 meters (33 feet) end to end. Daily traffic averages 271 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 4/9, substructure at 6/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 8.4 metric tons.

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

How THAYER RD. compares

▼ 29.1
Load rating vs Ohio average (37.5 t)
Bottom 1%
Lower load rating than 99% of Ohio bridges
367
Bridges in Allen · 36 in Poor condition
THAYER RD. 8.4 t
Ohio average 37.5 t

Live comparison across Ohio.

Historical Sufficiency Rating

PlainBridge-computed
40.0 / 100 - historical 20–49.9 band
Structural adequacy /55
0.0
Serviceability /30
25.2
Essentiality /15
14.8
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
4/9
Poor (1–4)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
8.4 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1963
Material
Steel
Number of Spans
1
Structure Length
10.1 m (33 ft)
Deck Width
8.5 m (28 ft)
Owner
County Highway Agency
Avg Daily Traffic
271 vehicles/day
Structure Number
0243469

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • The superstructure (beams and supports above the deck) is in poor condition (4/9), showing advanced deterioration that may require priority repair.
  • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

THAYER RD. is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare THAYER RD. against other structures in Allen 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 THAYER RD.?

THAYER RD. in Allen, Ohio has a deck rating of 6/9, superstructure rating of 4/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is THAYER RD. inspected?

THAYER 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 271 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. THAYER RD. is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for THAYER RD.?

THAYER RD. has an NBI inventory load rating of 8.4 metric tons.

Who is responsible for maintaining THAYER RD.?

THAYER RD. is owned and maintained by County Highway Agency.

How old is THAYER RD. and does age affect safety?

THAYER RD. was built in 1963, making it 63 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.