US Bridges

Imboden Road over Box Elder Creek Trib

Fair

Arapahoe County, Colorado · .3 MI N of 6th Ave · Structure no. ARA 101-11.2

Built
2002
23 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
63 ft
5 main spans
Daily traffic
183
2021 count
Owner
County
County Highway Agency

About this bridge

Imboden Road over Box Elder Creek Trib is a concrete culvert carrying Imboden Road over Box Elder Creek Trib in Arapahoe County, Colorado. It was built in 2002, so it is 23 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 183 vehicles a day, roughly 1% of them trucks, projected to reach 223 by 2041. The structure is 63 ft (19.3 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesImboden Road
CrossesBox Elder Creek Trib
Location.3 MI N of 6th Ave
RouteCounty Highway 0
Coordinates39.72829, -104.58144
Functional classRural 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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52.6 US tons
Inventory rating31.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadHS 20 + Mod
Structure length63 ft (19.3 m)
Longest span12 ft (3.7 m)
Deck width44 ft (13.4 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic183 (2021)
Projected traffic223 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Imboden Road over Box Elder Creek Trib built?

It was built in 2002, making it 23 years old in 2025.

What condition is Imboden Road over Box Elder Creek Trib 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 November 2023.

How much traffic does Imboden Road over Box Elder Creek Trib carry?

About 183 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Imboden Road over Box Elder Creek Trib?

The structure is 63 ft (19.3 m) long with a longest span of 12 ft (3.7 m) and a deck 44 ft wide.

Who owns Imboden Road over Box Elder Creek Trib?

It is owned by the County Highway Agency.