US Bridges

Blackhawk ST over Cherry Creek Trib

Fair

Arapahoe County, Colorado · .2 MI S of Fremont Ave · Structure no. ARA 49.2-12.2

Built
1994
31 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
11,510
2021 count
Owner
County
County Highway Agency

About this bridge

Blackhawk ST over Cherry Creek Trib is a concrete culvert carrying Blackhawk ST over Cherry Creek Trib in Arapahoe County, Colorado. It was built in 1994, so it is 31 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 11,510 vehicles a day, projected to reach 14,042 by 2041. The structure is 26 ft (8 m) long and 61 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBlackhawk ST
CrossesCherry Creek Trib
Location.2 MI S of Fremont Ave
RouteCounty Highway 0
Coordinates39.58174, -104.82327
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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 loadHS 20
Structure length26 ft (8 m)
Longest span13 ft (3.9 m)
Deck width61 ft (18.5 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,510 (2021)
Projected traffic14,042 by 2041
Trucks0%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Blackhawk ST over Cherry Creek Trib built?

It was built in 1994, making it 31 years old in 2025.

What condition is Blackhawk ST over Cherry Creek Trib 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 November 2023.

How much traffic does Blackhawk ST over Cherry Creek Trib carry?

About 11,510 vehicles per day (2021 count).

How long is Blackhawk ST over Cherry Creek Trib?

The structure is 26 ft (8 m) long with a longest span of 13 ft (3.9 m) and a deck 61 ft wide.

Who owns Blackhawk ST over Cherry Creek Trib?

It is owned by the County Highway Agency.