US Bridges

Cameron Drive over Obrian Canal

Good

Adams County, Colorado · SE of I-76/120th Int. · Structure no. COMC-23-0.2-01

Built
2001
24 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete
Length
30 ft
1 main span
Daily traffic
151
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Cameron Drive over Obrian Canal is a concrete culvert carrying Cameron Drive over Obrian Canal in Adams County, Colorado. It was built in 2001, so it is 24 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 151 vehicles a day, projected to reach 197 by 2041. The structure is 30 ft (9.1 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCameron Drive
CrossesObrian Canal
LocationSE of I-76/120th Int.
RouteCity Street 0
Coordinates39.91373, -104.81492
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating89.6 US tons
Inventory rating53.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic151 (2021)
Projected traffic197 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Cameron Drive over Obrian Canal built?

It was built in 2001, making it 24 years old in 2025.

What condition is Cameron Drive over Obrian Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does Cameron Drive over Obrian Canal carry?

About 151 vehicles per day (2021 count).

How long is Cameron Drive over Obrian Canal?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 43 ft wide.

Who owns Cameron Drive over Obrian Canal?

It is owned by the City or Municipal Highway Agency.