US Bridges

Caley Avenue over Lone Tree Creek

Fair

Arapahoe County, Colorado · .1 MI East of Troy · Structure no. CENT 40-47.0

Built
1999
26 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
1,746
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Caley Avenue over Lone Tree Creek is a concrete culvert carrying Caley Avenue over Lone Tree Creek in Arapahoe County, Colorado. It was built in 1999, so it is 26 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,746 vehicles a day, roughly 1% of them trucks, projected to reach 2,130 by 2041. The structure is 21 ft (6.3 m) long and 119 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCaley Avenue
CrossesLone Tree Creek
Location.1 MI East of Troy
RouteCity Street 0
Coordinates39.60126, -104.83769
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating40 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width119 ft (36.3 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,746 (2021)
Projected traffic2,130 by 2041
Trucks1%
Lanes on structure4
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 Caley Avenue over Lone Tree Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Caley Avenue over Lone Tree Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does Caley Avenue over Lone Tree Creek carry?

About 1,746 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Caley Avenue over Lone Tree Creek?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m) and a deck 119 ft wide.

Who owns Caley Avenue over Lone Tree Creek?

It is owned by the City or Municipal Highway Agency.