US Bridges

Fall River Road over Clear Creek

Good

Clear Creek County, Colorado · 2.3 MI W of Idaho Springs · Structure no. CLR312-1.10

Built
2020
5 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
72
2020 count
Owner
County
County Highway Agency

About this bridge

Fall River Road over Clear Creek is a prestressed concrete box beam or girders - multiple carrying Fall River Road over Clear Creek in Clear Creek County, Colorado. It was built in 2020, so it is 5 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 72 vehicles a day, projected to reach 90 by 2040. The structure is 64 ft (19.5 m) long and 75 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFall River Road
CrossesClear Creek
Location2.3 MI W of Idaho Springs
RouteCity Street 0
Coordinates39.75184, -105.55414
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 rating67.5 US tons
Inventory rating52.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length64 ft (19.5 m)
Longest span58 ft (17.7 m)
Deck width75 ft (22.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic72 (2020)
Projected traffic90 by 2040
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Fall River Road over Clear Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is Fall River Road over Clear Creek 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 Fall River Road over Clear Creek carry?

About 72 vehicles per day (2020 count).

How long is Fall River Road over Clear Creek?

The structure is 64 ft (19.5 m) long with a longest span of 58 ft (17.7 m) and a deck 75 ft wide.

Who owns Fall River Road over Clear Creek?

It is owned by the County Highway Agency.