US Bridges

SB Pena Boulevard over Third Creek

Fair

Denver County, Colorado · 3.5 MI East of E-470 · Structure no. D-31-PB-620

Built
1992
33 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
55,210
2021 count
Owner
Local
Other Local Agency

About this bridge

SB Pena Boulevard over Third Creek is a concrete culvert carrying SB Pena Boulevard over Third Creek in Denver 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 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 55,210 vehicles a day, roughly 6% of them trucks, projected to reach 61,283 by 2041. The structure is 21 ft (6.4 m) long and 125 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSB Pena Boulevard
CrossesThird Creek
Location3.5 MI East of E-470
RouteCity Street 0
Coordinates39.83431, -104.68144
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating110.1 US tons
Inventory rating81.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width125 ft (38 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55,210 (2021)
Projected traffic61,283 by 2041
Trucks6%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local 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 SB Pena Boulevard over Third Creek built?

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

What condition is SB Pena Boulevard over Third 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 January 2025.

How much traffic does SB Pena Boulevard over Third Creek carry?

About 55,210 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is SB Pena Boulevard over Third Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 125 ft wide.

Who owns SB Pena Boulevard over Third Creek?

It is owned by the Other Local Agency.