US Bridges

Kumpfmiller Drive over Bear Creek Tributary

Fair

Jefferson County, Colorado · 1.35 MI East of Entrance · Structure no. LKWD-01-1.35-01

Built
1950
75 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
282
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Kumpfmiller Drive over Bear Creek Tributary is a concrete culvert carrying Kumpfmiller Drive over Bear Creek Tributary in Jefferson County, Colorado. It was built in 1950, so it is 75 years old, older 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 282 vehicles a day, projected to reach 325 by 2041. The structure is 26 ft (7.9 m) long and 31 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesKumpfmiller Drive
CrossesBear Creek Tributary
Location1.35 MI East of Entrance
RouteCity Street 0
CountyJefferson County
StateColorado
Coordinates39.65409, -105.1494
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 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 evaluation6: Equal to 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 rating40 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span8 ft (2.4 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic282 (2021)
Projected traffic325 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Kumpfmiller Drive over Bear Creek Tributary built?

It was built in 1950, making it 75 years old in 2025.

What condition is Kumpfmiller Drive over Bear Creek Tributary 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 April 2023.

How much traffic does Kumpfmiller Drive over Bear Creek Tributary carry?

About 282 vehicles per day (2021 count).

How long is Kumpfmiller Drive over Bear Creek Tributary?

The structure is 26 ft (7.9 m) long with a longest span of 8 ft (2.4 m) and a deck 31 ft wide.

Who owns Kumpfmiller Drive over Bear Creek Tributary?

It is owned by the City or Municipal Highway Agency.