FHWA NBI 2024 Inspection record Public-domain dataset

US 89

Carrying US 89 over Flat Creek

Hoback Jct - Jackson, Teton, Wyoming

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
30 t Inventory load rating

Bridge Snapshot: US 89

The US 89 bridge in Teton, Wyoming carries US 89 over Flat Creek. It was built in 1938, making it 88 years old today. It was last reconstructed in 1969, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 19.4 meters (64 feet) end to end. Daily traffic averages 15,368 vehicles, placing it in the heavily-trafficked tier of Wyoming bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 4/9, superstructure at 6/9, substructure at 5/9. 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 29.9 metric tons.

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

How US 89 compares

▼ 3.6
Load rating vs Wyoming average (33.5 t)
Bottom 28%
Lower load rating than 72% of Wyoming bridges
119
Bridges in Teton · 15 in Poor condition
US 89 29.9 t
Wyoming average 33.5 t

Live comparison across Wyoming.

Historical Sufficiency Rating

PlainBridge-computed
45.7 / 100 - historical 20–49.9 band
Structural adequacy /55
43.7
Serviceability /30
10.0
Essentiality /15
0.0
Special reductions
−8.0

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 How the historical reference is calculated.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
5/9
Fair (5–6)
Inventory Load Rating
29.9 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1938
Last Reconstructed
1969
Material
Steel
Number of Spans
1
Structure Length
19.4 m (64 ft)
Deck Width
25.1 m (82 ft)
Owner
State Highway Agency
Avg Daily Traffic
15,368 vehicles/day
Structure Number
BOO

Condition Analysis

  • The deck (driving surface) rates poor at 4/9, advanced deterioration that should be prioritized for repair.
  • 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 fair at 5/9, minor deterioration that routine maintenance should address.

How to read this record

US 89 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 US 89 against other structures in Teton and across Wyoming. Wyoming 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 US 89?

US 89 in Teton, Wyoming has a deck rating of 4/9, superstructure rating of 6/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is US 89 inspected?

US 89'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 15,368 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. US 89 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 US 89?

US 89 has an NBI inventory load rating of 29.9 metric tons.

Who is responsible for maintaining US 89?

US 89 is owned and maintained by State Highway Agency.

How old is US 89 and does age affect safety?

US 89 was built in 1938, making it 88 years old and last reconstructed in 1969.

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.