FHWA NBI 2024 Inspection record Public-domain dataset

CAPAC ROAD

Carrying CAPAC ROAD over CAPAC DRAIN

340 FT S OF DONALD ROAD, St. Clair, Michigan

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
97 t Inventory load rating

Bridge Snapshot: CAPAC ROAD

The CAPAC ROAD bridge in St. Clair, Michigan carries CAPAC ROAD over CAPAC DRAIN. It was built in 2015, making it 11 years old today. The structure is built primarily of aluminum/iron and spans 1 section, stretching 6.3 meters (21 feet) end to end. Daily traffic averages 7,208 vehicles, placing it in the moderately-trafficked tier of Michigan bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show culvert at 8/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 97.2 metric tons.

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

How CAPAC ROAD compares

▲ 55.5
Load rating vs Michigan average (41.7 t)
Top 6%
Higher load rating than 94% of Michigan bridges
14
Bridges in St. Clair · 1 in Poor condition
CAPAC ROAD 97.2 t
Michigan average 41.7 t

Live comparison across Michigan.

Historical Sufficiency Rating

PlainBridge-computed
99.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
14.0
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 How the historical reference is calculated.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

Culvert
8/9
Good (7–9)
Inventory Load Rating
97.2 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2015
Material
Aluminum/Iron
Number of Spans
1
Structure Length
6.3 m (21 ft)
Owner
County Highway Agency
Avg Daily Traffic
7,208 vehicles/day
Structure Number
000000000013871

How to read this record

This page shows what the last federal inspection recorded, not whether CAPAC ROAD 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 CAPAC ROAD against other structures in St. Clair and across Michigan. Michigan 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 CAPAC ROAD?

CAPAC ROAD in St. Clair, Michigan on the FHWA's 0–9 scale.

How often is CAPAC ROAD inspected?

CAPAC ROAD'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 7,208 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. CAPAC ROAD 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 CAPAC ROAD?

CAPAC ROAD has an NBI inventory load rating of 97.2 metric tons.

Who is responsible for maintaining CAPAC ROAD?

CAPAC ROAD is owned and maintained by County Highway Agency.

How old is CAPAC ROAD and does age affect safety?

CAPAC ROAD was built in 2015, making it 11 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.