FHWA NBI 2024 Inspection record Public-domain dataset

M-43 (W SAGINAW)

Carrying M-43 (W SAGINAW) over CARRIER CREEK

0.4 MI W OF CREYTS ROAD, Eaton, Michigan

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
97 t Inventory load rating

Bridge Snapshot: M-43 (W SAGINAW)

The M-43 (W SAGINAW) bridge in Eaton, Michigan carries M-43 (W SAGINAW) over CARRIER CREEK. It was built in 1956, making it 70 years old today. The structure is built primarily of steel and spans 3 sections, stretching 11.1 meters (36 feet) end to end. Daily traffic averages 26,200 vehicles, placing it in the heavily-trafficked tier of Michigan bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show culvert at 4/9. 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 97.2 metric tons.

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

How M-43 (W SAGINAW) compares

▲ 55.5
Load rating vs Michigan average (41.7 t)
Top 6%
Higher load rating than 94% of Michigan bridges
8
Bridges in Eaton · 1 in Poor condition
M-43 (W SAGINAW) 97.2 t
Michigan average 41.7 t

Live comparison across Michigan.

Historical Sufficiency Rating

PlainBridge-computed
50.7 / 100 - historical 50–79.9 band
Structural adequacy /55
30.0
Serviceability /30
13.0
Essentiality /15
7.7
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 How the historical reference is calculated.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
4/9
Poor (1–4)
Inventory Load Rating
97.2 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1956
Material
Steel
Number of Spans
3
Structure Length
11.1 m (36 ft)
Owner
State Highway Agency
Avg Daily Traffic
26,200 vehicles/day
Structure Number
000000000013990

How to read this record

M-43 (W SAGINAW) 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 M-43 (W SAGINAW) against other structures in Eaton 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 M-43 (W SAGINAW)?

M-43 (W SAGINAW) in Eaton, Michigan on the FHWA's 0–9 scale.

How often is M-43 (W SAGINAW) inspected?

M-43 (W SAGINAW)'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 26,200 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. M-43 (W SAGINAW) 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 M-43 (W SAGINAW)?

M-43 (W SAGINAW) has an NBI inventory load rating of 97.2 metric tons.

Who is responsible for maintaining M-43 (W SAGINAW)?

M-43 (W SAGINAW) is owned and maintained by State Highway Agency.

How old is M-43 (W SAGINAW) and does age affect safety?

M-43 (W SAGINAW) was built in 1956, making it 70 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.