US Bridges

48th Ave over First Creek

Fair

Adams County, Colorado · .2 MI E of Picadilly RD · Structure no. AUR98.6-S.22

Built
2007
18 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
62 ft
5 main spans
Daily traffic
212
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

48th Ave over First Creek is a concrete culvert carrying 48th Ave over First Creek in Adams County, Colorado. It was built in 2007, so it is 18 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 212 vehicles a day, projected to reach 276 by 2041. The structure is 62 ft (18.8 m) long and 160 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
Carries48th Ave
CrossesFirst Creek
Location.2 MI E of Picadilly RD
RouteCity Street 0
CountyAdams County
StateColorado
Coordinates39.78183, -104.73129
Functional classUrban Local

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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadHS 20
Structure length62 ft (18.8 m)
Longest span11 ft (3.5 m)
Deck width160 ft (48.9 m)
Roadway width108 ft (32.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic212 (2021)
Projected traffic276 by 2041
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 48th Ave over First Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is 48th Ave over First 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 October 2023.

How much traffic does 48th Ave over First Creek carry?

About 212 vehicles per day (2021 count).

How long is 48th Ave over First Creek?

The structure is 62 ft (18.8 m) long with a longest span of 11 ft (3.5 m) and a deck 160 ft wide.

Who owns 48th Ave over First Creek?

It is owned by the City or Municipal Highway Agency.