US Bridges

16th ST/9th Ave. over Greeley No. 3 Ditch

Fair

Weld County, Colorado · 16th ST/9th Avenue · Structure no. GREELEY-000003A

Built
1985
40 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
30 ft
1 main span
Daily traffic
14,200
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

16th ST/9th Ave. over Greeley No. 3 Ditch is a concrete culvert carrying 16th ST/9th Ave. over Greeley No. 3 Ditch in Weld County, Colorado. It was built in 1985, so it is 40 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 14,200 vehicles a day, roughly 10% of them trucks, projected to reach 20,164 by 2042. The structure is 30 ft (9 m) long and 208 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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Carries16th ST/9th Ave.
CrossesGreeley No. 3 Ditch
Location16th ST/9th Avenue
RouteCity Street 0
CountyWeld County
StateColorado
Coordinates40.41423, -104.69297
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.7 US tons
Inventory rating50.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length30 ft (9 m)
Longest span30 ft (9 m)
Deck width208 ft (63.5 m)
Roadway width55 ft (16.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,200 (2023)
Projected traffic20,164 by 2042
Trucks10%
Lanes on structure7
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 16th ST/9th Ave. over Greeley No. 3 Ditch built?

It was built in 1985, making it 40 years old in 2025.

What condition is 16th ST/9th Ave. over Greeley No. 3 Ditch 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 April 2024.

How much traffic does 16th ST/9th Ave. over Greeley No. 3 Ditch carry?

About 14,200 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is 16th ST/9th Ave. over Greeley No. 3 Ditch?

The structure is 30 ft (9 m) long with a longest span of 30 ft (9 m) and a deck 208 ft wide.

Who owns 16th ST/9th Ave. over Greeley No. 3 Ditch?

It is owned by the City or Municipal Highway Agency.