FHWA NBI 2024 Inspection record Public-domain dataset

MERWIN ROAD

Carrying MERWIN ROAD over FARMERS CREEK

SEC. 26 ELBA TWP., Lapeer, Michigan

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
78 t Inventory load rating Higher than 96% of rated Michigan bridges

MERWIN ROAD in Lapeer, Michigan is rated Fair in the FHWA's 2024 National Bridge Inventory.

Built in 1960, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. The lowest applicable rating sets the federal condition category, so this Fair result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.

NBI record plate

Structure MI:000000000005418

INTERSTATE-ERA · STEEL · MULTI-SPAN · CULVERT-LED · LOCAL-ADT · HEAVY-LOAD · CAT-FAIR

  • INTERSTATE-ERA 1950–1979
  • STEEL Steel
  • MULTI-SPAN 2 spans
  • CULVERT-LED Culvert-led
  • LOCAL-ADT Local ADT
  • HEAVY-LOAD Heavy load
  • CAT-FAIR Fair

Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.

Bridge Snapshot: MERWIN ROAD

The MERWIN ROAD bridge in Lapeer, Michigan carries MERWIN ROAD over FARMERS CREEK. It was built in 1960, making it 66 years old today. The structure is built primarily of steel and spans 2 sections, stretching 10.6 meters (35 feet) end to end. Daily traffic averages 225 vehicles, placing it in the lower-traffic tier of Michigan bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show culvert at 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range.

How MERWIN ROAD compares

▲ 37.2
Load rating vs Michigan average (41.2 t; 11,366 of 11,371 rated)
163
Bridges in Lapeer · 15 in Poor condition

Age against the county: built in 1960, earlier than 149 of Lapeer's 163 bridges with a recorded construction year (91%), against a county median build year of 1983. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

MERWIN ROAD 78.4 t
Michigan average (11,366 of 11,371 rated) 41.2 t

Live comparison across Michigan bridges with a recorded inventory load rating (11,366 of 11,371 rated).

MERWIN ROAD vs every rated Michigan bridge

Inventory load rating (metric tons), FHWA NBI, this state

78 Top 4% higher than 96% of 11,366 bridges

rated Michigan bridges, bucketed by value

Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source FHWA National Bridge Inventory · August 2026

Condition Ratings

Culvert
6/9
Fair (5–6)
Inventory Load Rating
78.4 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Lapeer inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 163 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.

Structural Details

Year Built
1960
Material
Steel
Number of Spans
2
Structure Length
10.6 m (35 ft)
0
Owner
County Highway Agency
Avg Daily Traffic
225 vehicles/day
Structure Number
000000000005418

How to read this record

This page shows what the last federal inspection recorded, not whether MERWIN 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 MERWIN ROAD against other structures in Lapeer 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 MERWIN ROAD?

MERWIN ROAD in Lapeer, Michigan on the FHWA's 0–9 scale.

How often is MERWIN ROAD inspected?

MERWIN 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 225 vehicles per day.

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

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

MERWIN ROAD has an NBI inventory load rating of 78.4 metric tons.

Who is responsible for maintaining MERWIN ROAD?

MERWIN ROAD is owned and maintained by County Highway Agency.

How old is MERWIN ROAD and does age affect safety?

MERWIN ROAD was built in 1960, making it 66 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

Share this inspection record

Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.