US Bridges

Cook ST over East Harvard Gulch

Good

Denver County, Colorado · Cook N of Vassar Ave · Structure no. D-13-HGE-250

Built
1967
58 years old
Condition
Good
inspected November 2024
Type
Slab
Concrete Continuous
Length
44 ft
2 main spans
Daily traffic
275
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Cook ST over East Harvard Gulch is a concrete continuous slab carrying Cook ST over East Harvard Gulch in Denver County, Colorado. It was built in 1967, so it is 58 years old, older 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 275 vehicles a day, roughly 2% of them trucks, projected to reach 305 by 2041. The structure is 44 ft (13.4 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCook ST
CrossesEast Harvard Gulch
LocationCook N of Vassar Ave
RouteCity Street 0
Coordinates39.66977, -104.94771
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.1 US tons
Inventory rating31.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length44 ft (13.4 m)
Longest span20 ft (6.2 m)
Deck width45 ft (13.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic275 (2021)
Projected traffic305 by 2041
Trucks2%
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 Cook ST over East Harvard Gulch built?

It was built in 1967, making it 58 years old in 2025.

What condition is Cook ST over East Harvard Gulch 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 November 2024.

How much traffic does Cook ST over East Harvard Gulch carry?

About 275 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Cook ST over East Harvard Gulch?

The structure is 44 ft (13.4 m) long with a longest span of 20 ft (6.2 m) and a deck 45 ft wide.

Who owns Cook ST over East Harvard Gulch?

It is owned by the City or Municipal Highway Agency.