US Bridges

Chase Street over North Clear Creek

Fair

Gilpin County, Colorado · N of Silverhawk Casino · Structure no. BLKHWK-CHASE

Built
1994
31 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
29 ft
1 main span
Daily traffic
166
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Chase Street over North Clear Creek is a prestressed concrete box beam or girders - multiple carrying Chase Street over North Clear Creek in Gilpin County, Colorado. It was built in 1994, so it is 31 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 166 vehicles a day, roughly 2% of them trucks, projected to reach 199 by 2040. The structure is 29 ft (8.8 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesChase Street
CrossesNorth Clear Creek
LocationN of Silverhawk Casino
RouteCity Street 0
Coordinates39.8038, -105.49618
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.8 US tons
Inventory rating36.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span24 ft (7.3 m)
Deck width47 ft (14.2 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic166 (2020)
Projected traffic199 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Chase Street over North Clear Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is Chase Street over North Clear Creek 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 Chase Street over North Clear Creek carry?

About 166 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Chase Street over North Clear Creek?

The structure is 29 ft (8.8 m) long with a longest span of 24 ft (7.3 m) and a deck 47 ft wide.

Who owns Chase Street over North Clear Creek?

It is owned by the City or Municipal Highway Agency.