US Bridges

Illinois Street over Kinney Run

Good

Jefferson County, Colorado · 0.4 MI S of 24th Street · Structure no. GLDN-08-0.10-01

Built
2004
21 years old
Condition
Good
inspected April 2023
Type
Frame
Concrete
Length
65 ft
2 main spans
Daily traffic
137
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Illinois Street over Kinney Run is a concrete frame carrying Illinois Street over Kinney Run in Jefferson County, Colorado. It was built in 2004, so it is 21 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 137 vehicles a day, projected to reach 158 by 2041. The structure is 65 ft (19.8 m) long and 35 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesIllinois Street
CrossesKinney Run
Location0.4 MI S of 24th Street
RouteCity Street 0
Coordinates39.73781, -105.21492
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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
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 typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span30 ft (9.2 m)
Deck width35 ft (10.7 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic137 (2021)
Projected traffic158 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Illinois Street over Kinney Run built?

It was built in 2004, making it 21 years old in 2025.

What condition is Illinois Street over Kinney Run 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 April 2023.

How much traffic does Illinois Street over Kinney Run carry?

About 137 vehicles per day (2021 count).

How long is Illinois Street over Kinney Run?

The structure is 65 ft (19.8 m) long with a longest span of 30 ft (9.2 m) and a deck 35 ft wide.

Who owns Illinois Street over Kinney Run?

It is owned by the City or Municipal Highway Agency.