US Bridges

Ridge Road over Kipling Street

Fair

Jefferson County, Colorado · .6 MI N of I-70 · Structure no. ARVA-RE-3.08-02

Built
1987
38 years old, rebuilt 2015
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
137 ft
2 main spans
Daily traffic
2,719
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ridge Road over Kipling Street is a prestressed concrete stringer/multi-beam or girder carrying Ridge Road over Kipling Street in Jefferson County, Colorado. It was built in 1987 and reconstructed in 2015, so it is 38 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 2,719 vehicles a day, roughly 5% of them trucks, projected to reach 3,127 by 2041. The structure is 137 ft (41.9 m) long and 49 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRidge Road
CrossesKipling Street
Location.6 MI N of I-70
RouteCity Street 0
Coordinates39.79301, -105.10956
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.1 US tons
Inventory rating43.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length137 ft (41.9 m)
Longest span64 ft (19.5 m)
Deck width49 ft (14.8 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,719 (2021)
Projected traffic3,127 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
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 Ridge Road over Kipling Street built?

It was built in 1987, making it 38 years old in 2025. It was reconstructed in 2015.

What condition is Ridge Road over Kipling Street 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 March 2023.

How much traffic does Ridge Road over Kipling Street carry?

About 2,719 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Ridge Road over Kipling Street?

The structure is 137 ft (41.9 m) long with a longest span of 64 ft (19.5 m) and a deck 49 ft wide.

Who owns Ridge Road over Kipling Street?

It is owned by the City or Municipal Highway Agency.