US Bridges

Avenue F over Bear Creek

Poor

Jefferson County, Colorado · S of SH 74 in Kittredge · Structure no. C-19-27A

Built
1987
38 years old
Condition
Poor
inspected March 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
540
2021 count
Owner
County
County Highway Agency

About this bridge

Avenue F over Bear Creek is a steel stringer/multi-beam or girder carrying Avenue F over Bear Creek in Jefferson County, Colorado. It was built in 1987, so it is 38 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 540 vehicles a day, roughly 4% of them trucks, projected to reach 621 by 2041. The structure is 50 ft (15.2 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAvenue F
CrossesBear Creek
LocationS of SH 74 in Kittredge
RouteCounty Highway 0
Coordinates39.65644, -105.29847
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.2 US tons
Inventory rating31.3 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span45 ft (13.7 m)
Deck width30 ft (9 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic540 (2021)
Projected traffic621 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Avenue F over Bear Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Avenue F over Bear Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2025.

How much traffic does Avenue F over Bear Creek carry?

About 540 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Avenue F over Bear Creek?

The structure is 50 ft (15.2 m) long with a longest span of 45 ft (13.7 m) and a deck 30 ft wide.

Who owns Avenue F over Bear Creek?

It is owned by the County Highway Agency.