Interstate 76
A vital artery connecting Colorado and Nebraska, facilitating commerce and travel across the high plains.
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Route Description
Overview
Interstate 76 (I-76) is an east-west Interstate Highway spanning approximately 187.29 miles (301.41 km) across the Western United States. It originates at an interchange with I-70 in Arvada, Colorado, near Denver, and terminates at an intersection with I-80 near Big Springs, Nebraska. The majority of its length lies within Colorado, with a brief segment extending into Nebraska.
Key Concurrencies
Throughout its course, I-76 runs concurrently with several significant U.S. Routes, enhancing its connectivity:
- US 6 & US 85: Concurrent in the Denver metropolitan area.
- US 34: Concurrent from Wiggins to Fort Morgan, Colorado.
The highway is also integrated into the planned Heartland Expressway, a major initiative to upgrade highway infrastructure connecting Denver with Rapid City, South Dakota.
Length Breakdown
The total length of Interstate 76 is distributed as follows:
| State | Miles | Kilometers |
|---|---|---|
| Colorado | 184.14 | 296.34 |
| Nebraska | 3.15 | 5.07 |
| Total | 187.29 | 301.41 |
Historical Context
Renumbering and Origins
Prior to 1974, both the Colorado-Nebraska segment and the eastern I-76 corridor (Ohio to New Jersey) were designated as Interstate 80S (I-80S). This designation was intended to differentiate it from the primary I-80. In July 1974, following American Association of State Highway and Transportation Officials (AASHTO) policy to eliminate letter suffixes and avoid confusion, the route was renumbered to I-76.
The choice of "76" was symbolic, referencing the upcoming United States Bicentennial and the year 1876, Colorado's statehood year.
Development and Construction
Conceived in August 1958, the Colorado portion was planned and constructed incrementally. Nebraska's segment, a three-mile connection to I-80, was opened in December 1969, in collaboration with Colorado's Department of Highways. The western terminus was initially planned at I-25, but was later extended to its current terminus at I-70 in Arvada, Colorado, with construction concluding in November 2002 at a cost of approximately $45.5 million.
The route's development involved significant engineering, including the construction of numerous bridges and interchanges to meet Interstate standards and integrate with existing transportation networks.
Major Junctions and Exits
Interstate 76 features numerous interchanges connecting it to state highways, U.S. Routes, and other Interstates. The following table details the key exits along its path.
Colorado Exits
The Colorado segment begins at I-70 in Arvada and proceeds northeast, intersecting major routes like US 287, I-25, I-270, US 6, US 85, and E-470 before heading east through northeastern Colorado, passing cities like Brighton, Hudson, Fort Morgan, Brush, Sterling, and Julesburg.
Notable exits include connections to SH 95, US 287, I-25, I-270, US 6/US 85, E-470, SH 7, SH 52, SH 144, SH 71, US 34, SH 55, SH 59, US 385, and various county roads.
Nebraska Segment
The highway enters Nebraska in Deuel County, extending just over three miles. It runs parallel to the South Platte River and US 138. Its sole interchange in Nebraska is with I-80, serving as the eastern terminus of I-76.
Notably, the Nebraska segment is signed with north-south directional markers, contrasting with Colorado's east-west designation.
Business Routes
Keenesburg Spur
An unsigned business spur connects the town of Keenesburg, Colorado, to I-76. This short route, approximately 0.5 miles (0.80 km) in length, begins at the I-76 frontage road and heads north as Market Street, terminating just north of I-76 exit 39.
Fort Morgan–Sterling Loop
The longest continuously signed Interstate business loop in the system, this route spans approximately 52.31 miles (84.18 km). It serves Fort Morgan and extends towards Sterling, Colorado, overlapping US 34, SH 52, SH 71, and US 6 at various points. It begins at I-76 exit 75 west of Fort Morgan and terminates at I-76 exit 125 east of Sterling.
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Disclaimer
Important Notice
This content has been generated by an AI model for educational and informational purposes only. It is based on data extracted from Wikipedia and may not reflect the most current information or all nuances of the subject matter. Information regarding infrastructure, such as highway details, can change frequently due to construction, renumbering, or policy updates.
This is not professional transportation or engineering advice. Users should consult official state Department of Transportation resources and current mapping services for the most accurate and up-to-date information regarding Interstate 76 and its associated routes. Reliance on this information is solely at the user's own risk.
The creators of this page are not responsible for any errors or omissions, or for any actions taken based on the information provided herein.