US Bridges

County Route 74 | over Upper Bear Creek

Fair

Jefferson County, Colorado · 2.6 MI W JCT Evergrn Lake · Structure no. A-18-22A

Built
1992
33 years old
Condition
Fair
inspected March 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
1,295
2020 count
Owner
County
County Highway Agency

About this bridge

County Route 74 | over Upper Bear Creek is a steel stringer/multi-beam or girder carrying County Route 74 | over Upper Bear Creek in Jefferson County, Colorado. It was built in 1992, so it is 33 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 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 1,295 vehicles a day, roughly 4% of them trucks, projected to reach 1,490 by 2040. The structure is 60 ft (18.3 m) long and 29 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesCounty Route 74 |
CrossesUpper Bear Creek
Location2.6 MI W JCT Evergrn Lake
RouteCounty Highway 0
CountyJefferson County
StateColorado
Coordinates39.64269, -105.36686
Functional classRural Major Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2025
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
Deck geometry5: 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 rating46.2 US tons
Inventory rating27.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span50 ft (15.2 m)
Deck width29 ft (8.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,295 (2020)
Projected traffic1,490 by 2040
Trucks4%
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 Route 74 | over Upper Bear Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is County Route 74 | over Upper Bear 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 March 2025.

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

About 1,295 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is County Route 74 | over Upper Bear Creek?

The structure is 60 ft (18.3 m) long with a longest span of 50 ft (15.2 m) and a deck 29 ft wide.

Who owns County Route 74 | over Upper Bear Creek?

It is owned by the County Highway Agency.