FHWA NBI 2024 Inspection record Public-domain dataset

D57 MILL CREEK RD

Carrying D57 MILL CREEK RD over SMALL STREAM

086E40603, Jackson, Iowa

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
41 t Inventory load rating

Bridge Snapshot: D57 MILL CREEK RD

The D57 MILL CREEK RD bridge in Jackson, Iowa carries D57 MILL CREEK RD over SMALL STREAM. It was built in 2020, making it 6 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 24.4 meters (80 feet) end to end. Daily traffic averages 128 vehicles, placing it in the lower-traffic tier of Iowa bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 8/9, superstructure at 8/9, substructure 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 40.8 metric tons.

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

How D57 MILL CREEK RD compares

▲ 9.9
Load rating vs Iowa average (30.9 t)
Top 16%
Higher load rating than 84% of Iowa bridges
209
Bridges in Jackson · 41 in Poor condition
D57 MILL CREEK RD 40.8 t
Iowa average 30.9 t

Live comparison across Iowa.

Historical Sufficiency Rating

PlainBridge-computed
99.8 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
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 How the historical reference is calculated.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
8/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
8/9
Good (7–9)
Inventory Load Rating
40.8 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2020
Material
Concrete Continuous
Number of Spans
3
Structure Length
24.4 m (80 ft)
Deck Width
10.1 m (33 ft)
Owner
County Highway Agency
Avg Daily Traffic
128 vehicles/day
Structure Number
000000000194502

Condition Analysis

  • At 8/9, the deck (driving surface) is in good shape and shows no significant wear.
  • The superstructure (beams and supports above the deck) rates good at 8/9, with no significant deterioration on file.
  • At 8/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

This page shows what the last federal inspection recorded, not whether D57 MILL CREEK RD 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 D57 MILL CREEK RD against other structures in Jackson and across Iowa. Iowa 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 D57 MILL CREEK RD?

D57 MILL CREEK RD in Jackson, Iowa has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is D57 MILL CREEK RD inspected?

D57 MILL CREEK 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 128 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. D57 MILL CREEK RD 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 D57 MILL CREEK RD?

D57 MILL CREEK RD has an NBI inventory load rating of 40.8 metric tons.

Who is responsible for maintaining D57 MILL CREEK RD?

D57 MILL CREEK RD is owned and maintained by County Highway Agency.

How old is D57 MILL CREEK RD and does age affect safety?

D57 MILL CREEK RD was built in 2020, making it 6 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.