Jefferson County, CO

464 public highway bridges

Jefferson County Bridge Snapshot

Jefferson County, Colorado contains 464 public highway bridges in the FHWA National Bridge Inventory. Roughly 29.3% are rated “Good,” 50% “Fair,” 3.9% “Poor,” and 3.9% are classified as structurally deficient — the federal designation for spans whose deck, superstructure, or substructure has been rated 4 or below on the 0–9 NBI scale. Structurally deficient does not mean unsafe to cross; it means the bridge is on the priority list for repair or replacement.

Inspections in CO are conducted by certified engineers from the state Department of Transportation on a 24-month cycle, and results are reported back to the FHWA each spring. The list below shows every NBI-tracked bridge in the county, sorted by inventory load rating. Use the “Sort by” controls to surface the lowest-rated spans first, and click any row for full inspection history, traffic counts, and condition trends.

Source: FHWA National Bridge Inventory. See methodology for full definitions.

464
Total Bridges
29.3%
Good
3.9%
Poor
3.9%
Structurally Deficient

Condition Distribution

Good
29.3% (136)
Fair
50% (232)
Poor
3.9% (18)
SD
3.9% (18)

All Bridges (464)

GRANDVIEW AVENUE

Unknown

Over: WADSWORTH BYPASS

0.1 MI S OF RALSTON RD, Jefferson, CO

Built 2008 ADT: 51,000

RIDGE ROAD

Unknown

Over: KIPLING STREET

.6 MI N OF I-70, Jefferson, CO

Built 1987 ADT: 15,000

COUNTY ROAD 64

Unknown

Over: PRIVATE DRIVE

3.2 MI. W OF US285, Jefferson, CO

Built 1995 ADT: 10

TABOR STREET

Unknown

Over: I 70 ML

IN WHEATRIDGE, Jefferson, CO

Built 1967 ADT: 4,986

I 70 ML

Unknown

Over: SH 95 ML

LAKESIDE, Jefferson, CO

Built 1966 ADT: 29,000

I 70 ML WBND

Unknown

Over: SH 391 ML

WHEATRIDGE, Jefferson, CO

Built 1967 ADT: 38,000

I 70 ML EBND

Unknown

Over: SH 391 ML

WHEATRIDGE, Jefferson, CO

Built 1967 ADT: 38,000

MCINTYRE STREET

Unknown

Over: SH 58 ML

2.9 MI E OF JCT SH 93, Jefferson, CO

Built 1973 ADT: 15,213

I 76 ML EBND

Unknown

Over: SH 95 ML

1.67 MI E I-70 SH 121, Jefferson, CO

Built 1986 ADT: 32,000

I 76 ML WBND

Unknown

Over: SH 95 ML

4.1 MI WEST OF I-25, Jefferson, CO

Built 1986 ADT: 32,000

RAMP TO I 70 EBND

Unknown

Over: I 70 ML R

END OF SH 58 @ I 70, Jefferson, CO

Built 1968 ADT: 86,000

I 70 ML WBND

Unknown

Over: SH 72 ML

WHEATRIDGE, Jefferson, CO

Built 1968 ADT: 34,000

I 70 ML EBND

Unknown

Over: SH 72 ML

WHEATRIDGE, Jefferson, CO

Built 1968 ADT: 34,000

I 76 ML EBND

Unknown

Over: RAMP TO SH 121 ML

I70, I76, SH121 INTERCHAN, Jefferson, CO

Built 1982 ADT: 62,500

I 76 ML WBND

Unknown

Over: RAMP TO SH 121 ML

IN ARVADA, Jefferson, CO

Built 1982 ADT: 62,500

I 76 ML EBND

Unknown

Over: I 70 ML WBND

IN ARVADA, Jefferson, CO

Built 1982 ADT: 90,000

RAMP TO I 76 EBND

Unknown

Over: I 70 ML EBND

I70, I76, SH121 INTERCHAN, Jefferson, CO

Built 1982 ADT: 90,000

RMP TO EB I70/I76

Unknown

Over: I 70 ML, SH 121 R

IN ARVADA, Jefferson, CO

Built 1985 ADT: 46,000

HARLAN/WEST.BLVD.

Unknown

Over: US 36 ML

BETWEEN 92ND & 104TH, Jefferson, CO

Built 2001 ADT: 102,000

92ND AVENUE

Unknown

Over: US 36 ML

JUST W OF SHERIDAN BLVD, Jefferson, CO

Built 1983 ADT: 28,080

I 70 ML

Unknown

Over: SH 121 ML

ARVADA, Jefferson, CO

Built 1996 ADT: 44,000

SH 58 RAMP

Unknown

Over: I70ML/ SH58 ML/CLR CRK

I-70 & SH 58 INTERCHA, Jefferson, CO

Built 2008 ADT: 27,300

US 36 ML

Unknown

Over: Promenade Dr.

0.2 MI NW CHURCH RANCH RD, Jefferson, CO

Built 2006

WASHINGTON STREET

Unknown

Over: SH 58 ML

IN GOLDEN, Jefferson, CO

Built 2010 ADT: 12,408

SH 95 ML(SHERIDAN)

Unknown

Over: US 36 ML

IN WESTMINSTER, Jefferson, CO

Built 2014 ADT: 103,000

LOOKOUT MOUNTAIN R

Unknown

Over: I 70 ML

4.3 MI E OF JCT SH 74, Jefferson, CO

Built 1970 ADT: 470

CONIFR.TWN.CNTR.DR

Unknown

Over: SH 285 ML

Conifer, Jefferson, CO

Built 2005 ADT: 24,000

COUNTY ROAD 65

Unknown

Over: I 70 ML

4.9 MI E OF JCT US 6, Jefferson, CO

Built 1971 ADT: 5,605

I 70 ML WBND

Unknown

Over: SODA CREEK ROAD

2.4 MI W OF JCT SH 74, Jefferson, CO

Built 1971 ADT: 1,000

US 40 ML

Unknown

Over: I 70 ML

8.1 MI E OF JCT US 6, Jefferson, CO

Built 1973 ADT: 47,000

SH 74 ML

Unknown

Over: I 70 ML

AT JCT I 70 EL RANCHO, Jefferson, CO

Built 1973 ADT: 46,000

CO RD CHIEF HOSA

Unknown

Over: I 70 ML

0.6 MI E OF JCT SH 74, Jefferson, CO

Built 1972 ADT: 450

US 40 ML

Unknown

Over: I 70 ML

1.8 MI E OF JCT SH 74, Jefferson, CO

Built 1970 ADT: 62,000

RAMP TO SH 74 SBND

Unknown

Over: I 70 ML R

20 MI. W. OF DENVER, Jefferson, CO

Built 1993 ADT: 12,248

WOLFF AVE

Unknown

Over: US 285 ML

Conifer / Aspen Park, Jefferson, CO

Built 2003 ADT: 24,000

I 70 ML EBND

Unknown

Over: US 6 ML AND RAMP

1.2 MI E OF C470, Jefferson, CO

Built 1969 ADT: 30,000

I 70 ML WBND

Unknown

Over: US 6 ML

0.6 MI W OF JCT US 40, Jefferson, CO

Built 1969 ADT: 30,000

US 6 ML

Unknown

Over: SH 391 ML

6th / KIPLING IN LAKEWOOD, Jefferson, CO

Built 1965 ADT: 44,000

SH 8 ML

Unknown

Over: US 285 ML

2 MI SOUTH OF MORRISON, Jefferson, CO

Built 1967 ADT: 29,000

SIMMS STREET

Unknown

Over: US 6 ML

IN LAKEWOOD, Jefferson, CO

Built 1966 ADT: 37,923

I 70 ML EBND

Unknown

Over: COUNTY RD 93

Morrison-Red Rocks Int., Jefferson, CO

Built 1969 ADT: 7,200

I 70 ML WBND

Unknown

Over: COUNTY RD. 93

MORRISON INTCHNG, Jefferson, CO

Built 1969 ADT: 7,200

I 70 ML EBND

Unknown

Over: US 40 ML

0.6 MI E OF JCT US 6, Jefferson, CO

Built 1969 ADT: 29,000

I 70 ML WBND

Unknown

Over: US 40 ML

WEST OF DENVER, Jefferson, CO

Built 1969 ADT: 29,000

I 70 ML EBND

Unknown

Over: OLD GOLDEN ROAD

0.3 MI E OF JCT US 40, Jefferson, CO

Built 1968 ADT: 1,000

I 70 ML WBND

Unknown

Over: OLD GOLDEN ROAD

3.3 MI W OF JCT SH 58, Jefferson, CO

Built 1968 ADT: 1,000

ROONEY ROAD

Unknown

Over: I 70 ML

W side of C470 I70 INT., Jefferson, CO

Built 1969 ADT: 2,246

I 70 WB RAMP

Unknown

Over: US 6 ML

0.8MI W OF INDIANA ST, Jefferson, CO

Built 1969 ADT: 30,700

S. SIMMS ST

Unknown

Over: US 285 ML

IN DENVER, Jefferson, CO

Built 2003 ADT: 4,751

ALAMEDA PKWY

Unknown

Over: SH 470 ML

1.8 MI S OF I-70/C470 INT, Jefferson, CO

Built 1988 ADT: 10,350

Related

Data sourced from official U.S. government datasets. See our methodology for details. Retrieved and formatted by PlainBridges Editorial