US Bridges

Security Drive over Local Drainage

Good

Arapahoe County, Colorado · .1 MI West of Sable Blvd · Structure no. AUR10.3-G.8

Built
1996
29 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
652
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Security Drive over Local Drainage is a concrete culvert carrying Security Drive over Local Drainage in Arapahoe County, Colorado. It was built in 1996, so it is 29 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 652 vehicles a day, projected to reach 796 by 2041. The structure is 21 ft (6.4 m) long and 89 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSecurity Drive
CrossesLocal Drainage
Location.1 MI West of Sable Blvd
RouteCity Street 0
Coordinates39.70192, -104.82176
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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating88.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width89 ft (27 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic652 (2021)
Projected traffic796 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 Security Drive over Local Drainage built?

It was built in 1996, making it 29 years old in 2025.

What condition is Security Drive over Local Drainage 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 October 2023.

How much traffic does Security Drive over Local Drainage carry?

About 652 vehicles per day (2021 count).

How long is Security Drive over Local Drainage?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 89 ft wide.

Who owns Security Drive over Local Drainage?

It is owned by the City or Municipal Highway Agency.