US Bridges

NB Pena Blvd over Local Drainage

Fair

Denver County, Colorado · 0.75 MI North of I-70 · Structure no. D-31-PB-110

Built
1992
33 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
27 ft
3 main spans
Daily traffic
61,445
2021 count
Owner
Local
Other Local Agency

About this bridge

NB Pena Blvd over Local Drainage is a concrete culvert carrying NB Pena Blvd over Local Drainage 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 61,445 vehicles a day, roughly 6% of them trucks, projected to reach 68,204 by 2041. The structure is 27 ft (8.1 m) long and 105 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNB Pena Blvd
CrossesLocal Drainage
Location0.75 MI North of I-70
RouteCity Street 0
Coordinates39.77874, -104.7904
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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length27 ft (8.1 m)
Longest span8 ft (2.5 m)
Deck width105 ft (31.9 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic61,445 (2021)
Projected traffic68,204 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 NB Pena Blvd over Local Drainage built?

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

What condition is NB Pena Blvd over Local Drainage 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 December 2024.

How much traffic does NB Pena Blvd over Local Drainage carry?

About 61,445 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is NB Pena Blvd over Local Drainage?

The structure is 27 ft (8.1 m) long with a longest span of 8 ft (2.5 m) and a deck 105 ft wide.

Who owns NB Pena Blvd over Local Drainage?

It is owned by the Other Local Agency.