FHWA NBI 2024 Inspection record Public-domain dataset

US183/N2

Carrying US183/N2 over MUD CREEK

1S ANSLEY, Custer, Nebraska

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
29 t Inventory load rating

Bridge Snapshot: US183/N2

The US183/N2 bridge in Custer, Nebraska carries US183/N2 over MUD CREEK. It was built in 1978, making it 48 years old today. The structure is built primarily of steel continuous and spans 3 sections, stretching 46.0 meters (151 feet) end to end. Daily traffic averages 830 vehicles, placing it in the lower-traffic tier of Nebraska bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 7/9, substructure at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 29.0 metric tons.

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

How US183/N2 compares

▲ 1.3
Load rating vs Nebraska average (27.7 t)
Top 46%
Higher load rating than 54% of Nebraska bridges
303
Bridges in Custer · 24 in Poor condition
US183/N2 29.0 t
Nebraska average 27.7 t

Live comparison across Nebraska.

Historical Sufficiency Rating

PlainBridge-computed
96.8 / 100 - historical 80–100 band
Structural adequacy /55
53.0
Serviceability /30
30.0
Essentiality /15
13.8
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
7/9
Good (7–9)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
29.0 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1978
Material
Steel Continuous
Number of Spans
3
Structure Length
46.0 m (151 ft)
Deck Width
12.9 m (42 ft)
Owner
State Highway Agency
Avg Daily Traffic
830 vehicles/day
Structure Number
S183 08867

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

This page shows what the last federal inspection recorded, not whether US183/N2 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 US183/N2 against other structures in Custer and across Nebraska. Nebraska 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 US183/N2?

US183/N2 in Custer, Nebraska has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is US183/N2 inspected?

US183/N2'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 830 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. US183/N2 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 US183/N2?

US183/N2 has an NBI inventory load rating of 29.0 metric tons.

Who is responsible for maintaining US183/N2?

US183/N2 is owned and maintained by State Highway Agency.

How old is US183/N2 and does age affect safety?

US183/N2 was built in 1978, making it 48 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.