US Bridges

Holly Street over Greenwood Gulch

Fair

Arapahoe County, Colorado · .1 MI N of Orchard RD · Structure no. GWDV-08-0.15-01

Built
1991
34 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Prestressed Concrete
Length
54 ft
1 main span
Daily traffic
6,528
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Holly Street over Greenwood Gulch is a prestressed concrete tee beam carrying Holly Street over Greenwood Gulch in Arapahoe County, Colorado. It was built in 1991, so it is 34 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 6,528 vehicles a day, roughly 6% of them trucks, projected to reach 7,964 by 2041. The structure is 54 ft (16.5 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHolly Street
CrossesGreenwood Gulch
Location.1 MI N of Orchard RD
RouteCity Street 0
Coordinates39.61175, -104.92284
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97 US tons
Inventory rating11.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length54 ft (16.5 m)
Longest span50 ft (15.2 m)
Deck width42 ft (12.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,528 (2021)
Projected traffic7,964 by 2041
Trucks6%
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$278,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Holly Street over Greenwood Gulch built?

It was built in 1991, making it 34 years old in 2025.

What condition is Holly Street over Greenwood Gulch 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 September 2023.

How much traffic does Holly Street over Greenwood Gulch carry?

About 6,528 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Holly Street over Greenwood Gulch?

The structure is 54 ft (16.5 m) long with a longest span of 50 ft (15.2 m) and a deck 42 ft wide.

Who owns Holly Street over Greenwood Gulch?

It is owned by the City or Municipal Highway Agency.