Douglas County, CO

263 public highway bridges

Douglas County Bridge Snapshot

Douglas County, Colorado contains 263 public highway bridges in the FHWA National Bridge Inventory. Roughly 48.3% are rated “Good,” 34.6% “Fair,” 1.5% “Poor,” and 1.5% 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.

263
Total Bridges
48.3%
Good
1.5%
Poor
1.5%
Structurally Deficient

Condition Distribution

Good
48.3% (127)
Fair
34.6% (91)
Poor
1.5% (4)
SD
1.5% (4)

All Bridges (263)

I-25 ML NBND

Unknown

Over: N MEADOWS PARKWAY

N OF CASTLE ROCK, Douglas, CO

Built 2015 ADT: 1,000

I-25 ML SBND

Unknown

Over: N MEADOWS PARKWAY

N OF CASTLE ROCK, Douglas, CO

Built 2015 ADT: 1,000

US 85 NB ON RAMP

Unknown

Over: TERRAIN

NBND ON RAMP A, Douglas, CO

Built 2014 ADT: 20,000

5TH ST.

Unknown

Over: I25 ML AND E. PLUM CK

0.1 MI W OF WILCOX, Douglas, CO

Built 2001 ADT: 68,100

FRONT ST

Unknown

Over: RAILROAD / 7TH ST

N OF 6TH STREET, Douglas, CO

Built 2004

SANTA FE DR.

Unknown

Over: I25 ML

JUST W OF FRONT ST., Douglas, CO

Built 2002 ADT: 76,300

E-470 EB

Unknown

Over: Cottonwood Ck & Jamaica

0.47 MI FROM I 25, Douglas, CO

Built 1990 ADT: 2,500

E-470 WB

Unknown

Over: Cottonwood Ck & Jamaica

0.47 MI FROM I 25, Douglas, CO

Built 1990 ADT: 700

E-470 EB

Unknown

Over: Parker Road

5.25 MI FROM I25, Douglas, CO

Built 1996

E-470 WB

Unknown

Over: Parker Road

5.25 MI FROM I25, Douglas, CO

Built 1996

E-470 NB

Unknown

Over: Cottonwood Drive

5.76 MI FROM I25, Douglas, CO

Built 1996 ADT: 100

E-470 SB

Unknown

Over: Cottonwood Drive

5.76 MI FROM I25, Douglas, CO

Built 1996 ADT: 100

E-470 EB

Unknown

Over: Peoria Street

1.71 MI FROM I-25, Douglas, CO

Built 1990 ADT: 2,000

E-470 WB

Unknown

Over: Peoria Street

1.71 MI FROM I 25, Douglas, CO

Built 1990 ADT: 2,000

Chambers Road NB

Unknown

Over: E-470

3.54 MI FROM I 25, Douglas, CO

Built 1990 ADT: 1,000

E-470 EB

Unknown

Over: Jordan Road

4.33 MI FROM I 25, Douglas, CO

Built 1989 ADT: 5,000

E-470 WB

Unknown

Over: Jordan Road

4.33 MI FROM I 25, Douglas, CO

Built 1989 ADT: 5,000

TITAN PARKWAY

Unknown

Over: SH 85 ML

IN DOUGLAS COUNTY, Douglas, CO

Built 2003 ADT: 10,026

SBUS85TOEBC470RMP

Unknown

Over: US85/C470ML/UPRR/BNSF

JCT US 85 and SH 470, Douglas, CO

Built 2011 ADT: 20,000

QUEBEC STREET

Unknown

Over: SH 470 ML

2.4 MI WEST OF JCT I 25, Douglas, CO

Built 1984 ADT: 52,735

SH 470 ML EBND

Unknown

Over: SH 177-UNIVERSITY BLVD

4 M E OF JCT US 85, Douglas, CO

Built 1984 ADT: 34,000

SH 470 ML WBND

Unknown

Over: SH 177-UNIVERSITY BLVD

5.2 MI W OF JCT I 25, Douglas, CO

Built 1984 ADT: 113,000

COLORADO BLVD

Unknown

Over: SH 470 ML

5.1 M E OF JCT US 85, Douglas, CO

Built 1984 ADT: 23,110

I 25SB RMP C470 WB

Unknown

Over: RMP TO I25 SBND, RTD

SB ONRAMP N.OF C470, Douglas, CO

Built 1983 ADT: 3,200

I25NB RAMP TO C470

Unknown

Over: I 25, SH 470 ML, RAMPS R

TOP FLYOVER, JCT I-25 &am, Douglas, CO

Built 1985 ADT: 105,500

C470 EB RAMP TO 25

Unknown

Over: I 25, SH 470 ML R

MID-LEVEL ABOVE JCT I-25, Douglas, CO

Built 1985 ADT: 104,000

LINCOLN AVE

Unknown

Over: I 25 ML

1.3 MI S OF C-470, Douglas, CO

Built 1990 ADT: 59,304

I 25 ML SBND

Unknown

Over: SH 470 ML

JCT I 25 AND SH 470, Douglas, CO

Built 1990 ADT: 90,200

I25 ML NBND

Unknown

Over: SH 470 ML

JCT I 25 AND SH 470, Douglas, CO

Built 1990 ADT: 96,000

E470WB RAMP TO 25

Unknown

Over: I 25, SH 470 ML R

MID-LEVEL ABOVE JCT I-25, Douglas, CO

Built 1991 ADT: 90,200

25 SB RAMP TO E470

Unknown

Over: I 25, SH 470 ML, RAMPS R

TOP FLYOVER, JCT I-25 & 4, Douglas, CO

Built 1991 ADT: 105,500

LUCENT BLVD

Unknown

Over: C470 ML

LUCENT BLVD, Douglas, CO

Built 1997 ADT: 24,722

SH 83 ML

Unknown

Over: SH 88 ML

SH 83/SH 88, Douglas, CO

Built 2012 ADT: 74,000

CR107 (Liggett RD)

Unknown

Over: I 25 ML

0.5 MI N CASTLE ROCK BUS., Douglas, CO

Built 1964 ADT: 2,799

HAPPY CANYON ROAD

Unknown

Over: I 25 ML

5.1 MI N CASTLE ROCK BUS., Douglas, CO

Built 1965 ADT: 130,000

TOMAH ROAD

Unknown

Over: I 25 ML

1.9 MI N OF JCT S.H. 18, Douglas, CO

Built 1965 ADT: 280

SH 86B ML

Unknown

Over: I 25 ML

JCT I25, Douglas, CO

Built 1999 ADT: 81,000

WOLFENSBERGER RD.

Unknown

Over: I 25 ML

N. OF CASTLE ROCK BUS. RT, Douglas, CO

Built 2002 ADT: 12,025

CASTLE PINES PKWY

Unknown

Over: I 25 ML

6.7 MI N CASTLE ROCK BUS., Douglas, CO

Built 2005 ADT: 17,035

I 25 NBND RAMP

Unknown

Over: I 25 ML

0.5 MI N OF JCT SH 18 ML, Douglas, CO

Built 2021 ADT: 1,300

SKY RIDGE AVE.

Unknown

Over: I25 ML

0.4 MI S OF LINCOLN AVE, Douglas, CO

Built 2018 ADT: 100,000

CASTLE OAK DRIVE

Fair

Over: MCMURDO GULCH

2.7 MI E FOUNDERS PKWAY, Douglas, CO

Built 1975 Load: 14.4 t ADT: 3,289

JACKSON CREEK ROAD

Fair

Over: WEST PLUM CREEK

0.25 MI W CO RD 105, Douglas, CO

Built 1951 Load: 14.8 t ADT: 644

SEIBERT CIRCLE

Fair

Over: TALLMAN GULCH TRIB.

JUST SW OF SUSSEX COURT, Douglas, CO

Built 1972 Load: 16.8 t ADT: 867

SEIBERT CIRCLE

Fair

Over: TALLMAN GULCH

AT STONEHENGE, Douglas, CO

Built 1972 Load: 17.2 t ADT: 918

SEIBERT CIRCLE

Fair

Over: TALLMAN GULCH

JUST E OF AINTREE CT., Douglas, CO

Built 1972 Load: 17.2 t ADT: 857

PINE CLIFF ROAD

Fair

Over: WEST PLUM CREEK

0.4 MI W COUNTY ROAD 105, Douglas, CO

Built 1965 Load: 20.5 t ADT: 71

WILCOX STREET

Fair

Over: EAST PLUM CREEK

.1 MI S PLUM CREEK PKWAY, Douglas, CO

Built 1966 Load: 21.6 t ADT: 11,059

PALMER DIVIDE ROAD

Fair

Over: IRON GULCH

2.8 MI EAST OF SH 83, Douglas, CO

Built 1995 Load: 21.7 t ADT: 474

STONEHENGE WAY

Fair

Over: SULPHUR GULCH

.05 MI S OF MAIN STREET, Douglas, CO

Built 1972 Load: 22.1 t ADT: 1,585

Related

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