US Bridges

County Road 74 over Upper Bear Creek

Good

Jefferson County, Colorado · .5MI W of Evrgrn Lake · Structure no. B-18-20A

Built
2003
22 years old
Condition
Good
inspected March 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
51 ft
1 main span
Daily traffic
1,624
2020 count
Owner
County
County Highway Agency

About this bridge

County Road 74 over Upper Bear Creek is a steel stringer/multi-beam or girder carrying County Road 74 over Upper Bear Creek in Jefferson County, Colorado. It was built in 2003, so it is 22 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 1,624 vehicles a day, roughly 5% of them trucks, projected to reach 1,868 by 2040. The structure is 51 ft (15.6 m) long and 37 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesCounty Road 74
CrossesUpper Bear Creek
Location.5MI W of Evrgrn Lake
RouteCounty Highway 0
Coordinates39.63299, -105.34048
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating81.8 US tons
Inventory rating49.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length51 ft (15.6 m)
Longest span45 ft (13.8 m)
Deck width37 ft (11.4 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,624 (2020)
Projected traffic1,868 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 County Road 74 over Upper Bear Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is County Road 74 over Upper Bear 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 March 2025.

How much traffic does County Road 74 over Upper Bear Creek carry?

About 1,624 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is County Road 74 over Upper Bear Creek?

The structure is 51 ft (15.6 m) long with a longest span of 45 ft (13.8 m) and a deck 37 ft wide.

Who owns County Road 74 over Upper Bear Creek?

It is owned by the County Highway Agency.