US Bridges

I 70 Service RD over Clear Creek SR

Fair

Clear Creek County, Colorado · 1.7 MI W of Silverplume · Structure no. F-13-W

Built
1971
54 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
22 ft
3 main spans
Daily traffic
2
2024 count
Owner
State
State Highway Agency

About this bridge

I 70 Service RD over Clear Creek SR is a concrete culvert carrying I 70 Service RD over Clear Creek SR in Clear Creek County, Colorado. It was built in 1971, so it is 54 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 5 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 vehicles a day, roughly 10% of them trucks, projected to reach 3 by 2044. The structure is 22 ft (6.7 m) long and 49 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 70 Service RD
CrossesClear Creek SR
Location1.7 MI W of Silverplume
RouteInterstate 70A
Coordinates39.69563, -105.76542
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 protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.4 US tons
Inventory rating31.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span8 ft (2.4 m)
Deck width49 ft (14.9 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2 (2024)
Projected traffic3 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 I 70 Service RD over Clear Creek SR built?

It was built in 1971, making it 54 years old in 2025.

What condition is I 70 Service RD over Clear Creek SR 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 I 70 Service RD over Clear Creek SR carry?

About 2 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is I 70 Service RD over Clear Creek SR?

The structure is 22 ft (6.7 m) long with a longest span of 8 ft (2.4 m) and a deck 49 ft wide.

Who owns I 70 Service RD over Clear Creek SR?

It is owned by the State Highway Agency.