US Bridges

76th Avenue over Little Dry Creek

Fair

Adams County, Colorado · 1/2 Blk E of Sheridan Ave · Structure no. WST11-8-R

Built
1988
37 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete
Length
35 ft
3 main spans
Daily traffic
4,417
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

76th Avenue over Little Dry Creek is a concrete culvert carrying 76th Avenue over Little Dry Creek in Adams County, Colorado. It was built in 1988, so it is 37 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 4,417 vehicles a day, roughly 6% of them trucks, projected to reach 5,743 by 2041. The structure is 35 ft (10.6 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries76th Avenue
CrossesLittle Dry Creek
Location1/2 Blk E of Sheridan Ave
RouteCity Street 0
Coordinates39.83453, -105.05203
Functional classUrban Collector

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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24.9 US tons
Inventory rating14.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length35 ft (10.6 m)
Longest span11 ft (3.4 m)
Deck width59 ft (18 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,417 (2021)
Projected traffic5,743 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 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 76th Avenue over Little Dry Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is 76th Avenue over Little Dry 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 December 2023.

How much traffic does 76th Avenue over Little Dry Creek carry?

About 4,417 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is 76th Avenue over Little Dry Creek?

The structure is 35 ft (10.6 m) long with a longest span of 11 ft (3.4 m) and a deck 59 ft wide.

Who owns 76th Avenue over Little Dry Creek?

It is owned by the City or Municipal Highway Agency.