US Bridges

Park Avenue over Bear Creek

PoorPosted for load

Jefferson County, Colorado · At Inter. With SH 8 · Structure no. MORR-PARK AVE

Built
1926
99 years old, rebuilt 2013
Condition
Poor
inspected April 2024
Type
Truss - Thru
Steel
Length
52 ft
1 main span
Daily traffic
220
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Park Avenue over Bear Creek is a steel truss - thru carrying Park Avenue over Bear Creek in Jefferson County, Colorado. It was built in 1926 and reconstructed in 2013, so it is 99 years old, older 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. Its operating status is: posted for load restriction.

It carries about 220 vehicles a day, roughly 4% of them trucks, projected to reach 253 by 2041. The structure is 52 ft (15.8 m) long and 14 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPark Avenue
CrossesBear Creek
LocationAt Inter. With SH 8
RouteCity Street 0
Coordinates39.65414, -105.19289
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
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating6.8 US tons
Inventory rating4.1 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length52 ft (15.8 m)
Longest span48 ft (14.6 m)
Deck width14 ft (4.3 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (2021)
Projected traffic253 by 2041
Trucks4%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
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 statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Park Avenue over Bear Creek built?

It was built in 1926, making it 99 years old in 2025. It was reconstructed in 2013.

What condition is Park Avenue 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 April 2024.

How much traffic does Park Avenue over Bear Creek carry?

About 220 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Park Avenue over Bear Creek?

The structure is 52 ft (15.8 m) long with a longest span of 48 ft (14.6 m) and a deck 14 ft wide.

Who owns Park Avenue over Bear Creek?

It is owned by the City or Municipal Highway Agency.