FHWA NBI 2024 Inspection record Public-domain dataset

HWY 927

Carrying HWY 927 over ELKHORN CREEK

078010403, Muscatine, Iowa

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
20 t Inventory load rating

Bridge Snapshot: HWY 927

The HWY 927 bridge in Muscatine, Iowa carries HWY 927 over ELKHORN CREEK. It was built in 1929, making it 97 years old today. It was last reconstructed in 1957, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 18.9 meters (62 feet) end to end. Daily traffic averages 2,340 vehicles, placing it in the moderately-trafficked tier of Iowa bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 4/9, superstructure at 6/9, substructure at 4/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 19.9 metric tons.

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

How HWY 927 compares

▼ 11.0
Load rating vs Iowa average (30.9 t)
Bottom 20%
Lower load rating than 80% of Iowa bridges
127
Bridges in Muscatine · 31 in Poor condition
HWY 927 19.9 t
Iowa average 30.9 t

Live comparison across Iowa.

Historical Sufficiency Rating

PlainBridge-computed
37.4 / 100 - historical 20–49.9 band
Structural adequacy /55
15.6
Serviceability /30
14.2
Essentiality /15
7.5
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 How the historical reference is calculated.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
4/9
Poor (1–4)
Superstructure
6/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
19.9 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1929
Last Reconstructed
1957
Material
Steel
Number of Spans
1
Structure Length
18.9 m (62 ft)
Deck Width
10.5 m (34 ft)
Owner
County Highway Agency
Avg Daily Traffic
2,340 vehicles/day
Structure Number
000000000037910

Condition Analysis

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

How to read this record

HWY 927 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 HWY 927 against other structures in Muscatine 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 HWY 927?

HWY 927 in Muscatine, Iowa has a deck rating of 4/9, superstructure rating of 6/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is HWY 927 inspected?

HWY 927'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 2,340 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. HWY 927 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 HWY 927?

HWY 927 has an NBI inventory load rating of 19.9 metric tons.

Who is responsible for maintaining HWY 927?

HWY 927 is owned and maintained by County Highway Agency.

How old is HWY 927 and does age affect safety?

HWY 927 was built in 1929, making it 97 years old and last reconstructed in 1957.

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.