US Bridges

Sheridan Blvd over Local Drainage

Fair

Adams County, Colorado · Just S of W 120th Ave · Structure no. WST19-09-E

Built
1964
61 years old, rebuilt 1995
Condition
Fair
inspected December 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
16,503
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sheridan Blvd over Local Drainage is a concrete culvert carrying Sheridan Blvd over Local Drainage in Adams County, Colorado. It was built in 1964 and reconstructed in 1995, so it is 61 years old, older 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 16,503 vehicles a day, roughly 2% of them trucks, projected to reach 21,453 by 2041. The structure is 21 ft (6.3 m) long and 192 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSheridan Blvd
CrossesLocal Drainage
LocationJust S of W 120th Ave
RouteCity Street 0
Coordinates39.91391, -105.05256
Functional classUrban Other Principal Arterial

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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating26.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width192 ft (58.5 m)
Roadway width118 ft (35.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,503 (2021)
Projected traffic21,453 by 2041
Trucks2%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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 Sheridan Blvd over Local Drainage built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1995.

What condition is Sheridan 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 2023.

How much traffic does Sheridan Blvd over Local Drainage carry?

About 16,503 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Sheridan Blvd over Local Drainage?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m) and a deck 192 ft wide.

Who owns Sheridan Blvd over Local Drainage?

It is owned by the City or Municipal Highway Agency.