FHWA NBI 2024 Inspection record Public-domain dataset

COLL 7645

Carrying COLL 7645 over WILLOW CREEK

6S 4E OF BRUNSWICK, Antelope, Nebraska

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
16 t Inventory load rating

Bridge Snapshot: COLL 7645

The COLL 7645 bridge in Antelope, Nebraska carries COLL 7645 over WILLOW CREEK. It was built in 1935, making it 91 years old today. It was last reconstructed in 1975, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 7.3 meters (24 feet) end to end. Daily traffic averages 95 vehicles, placing it in the lower-traffic tier of Nebraska bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 7/9, substructure at 4/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 16.0 metric tons.

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

How COLL 7645 compares

▼ 11.7
Load rating vs Nebraska average (27.7 t)
Bottom 15%
Lower load rating than 85% of Nebraska bridges
162
Bridges in Antelope · 25 in Poor condition
COLL 7645 16.0 t
Nebraska average 27.7 t

Live comparison across Nebraska.

Historical Sufficiency Rating

PlainBridge-computed
49.7 / 100 - historical 20–49.9 band
Structural adequacy /55
8.4
Serviceability /30
27.0
Essentiality /15
14.4
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
7/9
Good (7–9)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
16.0 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1935
Last Reconstructed
1975
Material
Steel
Number of Spans
1
Structure Length
7.3 m (24 ft)
Deck Width
7.9 m (26 ft)
Owner
County Highway Agency
Avg Daily Traffic
95 vehicles/day
Structure Number
C000224315

Condition Analysis

  • The deck (driving surface) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • The substructure (piers and abutments) is in poor condition (4/9), showing advanced deterioration that may require priority repair.

How to read this record

COLL 7645 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 COLL 7645 against other structures in Antelope 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 COLL 7645?

COLL 7645 in Antelope, Nebraska has a deck rating of 5/9, superstructure rating of 7/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is COLL 7645 inspected?

COLL 7645'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 95 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. COLL 7645 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 COLL 7645?

COLL 7645 has an NBI inventory load rating of 16.0 metric tons.

Who is responsible for maintaining COLL 7645?

COLL 7645 is owned and maintained by County Highway Agency.

How old is COLL 7645 and does age affect safety?

COLL 7645 was built in 1935, making it 91 years old and last reconstructed in 1975.

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.