US Bridges

Ramp a over Cherry Creek

Good

Douglas County, Colorado · 5.13 MI from I 25 · Structure no. E-470-5.13D

Built
1990
35 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
642 ft
4 main spans
Daily traffic
8,200
2018 count
Owner
Toll Authority
Local Toll Authority

About this bridge

Ramp a over Cherry Creek is a prestressed concrete continuous box beam or girders - single or spread carrying Ramp a over Cherry Creek in Douglas County, Colorado. It was built in 1990, so it is 35 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 8,200 vehicles a day, roughly 1% of them trucks, projected to reach 4,080 by 2021. The structure is 642 ft (195.7 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRamp a
CrossesCherry Creek
Location5.13 MI from I 25
Coordinates39.54936, -104.77975
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating89.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckOther
Main spans4
Design loadHS 20 + Mod
Structure length642 ft (195.7 m)
Longest span167 ft (50.8 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,200 (2018)
Projected traffic4,080 by 2021
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerLocal Toll Authority
Maintained byLocal Toll Authority
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 Ramp a over Cherry Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is Ramp a over Cherry Creek 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 August 2024.

How much traffic does Ramp a over Cherry Creek carry?

About 8,200 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Ramp a over Cherry Creek?

The structure is 642 ft (195.7 m) long with a longest span of 167 ft (50.8 m) and a deck 40 ft wide.

Who owns Ramp a over Cherry Creek?

It is owned by the Local Toll Authority.