FHWA NBI 2024 Inspection record Public-domain dataset

S 6th Street

Carrying S 6th Street over UPRR

6Th Street Rawlins, Carbon, Wyoming

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
34 t Inventory load rating

Bridge Snapshot: S 6th Street

The S 6th Street bridge in Carbon, Wyoming carries S 6th Street over UPRR. It was built in 1966, making it 60 years old today. It was last reconstructed in 2006, extending its service life. The structure is built primarily of steel continuous and spans 6 sections, stretching 447.8 meters (1469 feet) end to end. Daily traffic averages 1,984 vehicles, placing it in the moderately-trafficked tier of Wyoming bridges. It is owned and maintained by City/Municipal 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. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 33.6 metric tons.

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

How S 6th Street compares

▲ 0.1
Load rating vs Wyoming average (33.5 t)
Top 37%
Higher load rating than 63% of Wyoming bridges
207
Bridges in Carbon · 14 in Poor condition
S 6th Street 33.6 t
Wyoming average 33.5 t

Live comparison across Wyoming.

Historical Sufficiency Rating

PlainBridge-computed
69.6 / 100 - historical 50–79.9 band
Structural adequacy /55
30.0
Serviceability /30
26.0
Essentiality /15
13.6
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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
6/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
33.6 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1966
Last Reconstructed
2006
Material
Steel Continuous
Number of Spans
6
Structure Length
447.8 m (1469 ft)
Deck Width
11.4 m (37 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
1,984 vehicles/day
Structure Number
CLV

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) is in poor condition (4/9), showing advanced deterioration that may require priority repair.

How to read this record

S 6th Street 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 S 6th Street against other structures in Carbon 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 S 6th Street?

S 6th Street in Carbon, Wyoming 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 S 6th Street inspected?

S 6th Street'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 1,984 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. S 6th Street 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 S 6th Street?

S 6th Street has an NBI inventory load rating of 33.6 metric tons.

Who is responsible for maintaining S 6th Street?

S 6th Street is owned and maintained by City/Municipal Highway Agency.

How old is S 6th Street and does age affect safety?

S 6th Street was built in 1966, making it 60 years old and last reconstructed in 2006.

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.