FHWA NBI 2024 Inspection record Public-domain dataset

Bison Drive

Carrying Bison Drive over SPRING CREEK

9.3E 8.7S OS SYLVAN GROVE, Lincoln, Kansas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
32 t Inventory load rating

Bridge Snapshot: Bison Drive

The Bison Drive bridge in Lincoln, Kansas carries Bison Drive over SPRING CREEK. It was built in 1987, making it 39 years old today. The structure is built primarily of steel and spans 1 section, stretching 7.3 meters (24 feet) end to end. Daily traffic averages 35 vehicles, placing it in the lower-traffic tier of Kansas bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, 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 32.4 metric tons.

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

How Bison Drive compares

▲ 3.3
Load rating vs Kansas average (29.1 t)
Top 42%
Higher load rating than 58% of Kansas bridges
224
Bridges in Lincoln · 23 in Poor condition
Bison Drive 32.4 t
Kansas average 29.1 t

Live comparison across Kansas.

Historical Sufficiency Rating

PlainBridge-computed
69.0 / 100 - historical 50–79.9 band
Structural adequacy /55
30.0
Serviceability /30
27.0
Essentiality /15
15.0
Special reductions
−3.0

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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
6/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
32.4 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1987
Material
Steel
Number of Spans
1
Structure Length
7.3 m (24 ft)
Deck Width
7.5 m (25 ft)
Owner
County Highway Agency
Avg Daily Traffic
35 vehicles/day
Structure Number
000530725504540

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The substructure (piers and abutments) rates poor at 4/9, advanced deterioration that should be prioritized for repair.

How to read this record

Bison Drive 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 Bison Drive against other structures in Lincoln and across Kansas. Kansas 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 Bison Drive?

Bison Drive in Lincoln, Kansas has a deck rating of 7/9, superstructure rating of 6/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is Bison Drive inspected?

Bison Drive'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 35 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. Bison Drive 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 Bison Drive?

Bison Drive has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining Bison Drive?

Bison Drive is owned and maintained by County Highway Agency.

How old is Bison Drive and does age affect safety?

Bison Drive was built in 1987, making it 39 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.