US Bridges

17th Street over Greeley No. 3 Ditch

Fair

Weld County, Colorado · 0.05 MI E of 7th Ave · Structure no. GREELEY-0000001

Built
1984
41 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
462
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

17th Street over Greeley No. 3 Ditch is a prestressed concrete tee beam carrying 17th Street over Greeley No. 3 Ditch in Weld County, Colorado. It was built in 1984, so it is 41 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 5 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 462 vehicles a day, roughly 4% of them trucks, projected to reach 656 by 2043. The structure is 28 ft (8.5 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries17th Street
CrossesGreeley No. 3 Ditch
Location0.05 MI E of 7th Ave
RouteCity Street 0
Coordinates40.41188, -104.68821
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating22.3 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span26 ft (8 m)
Deck width43 ft (13.1 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic462 (2023)
Projected traffic656 by 2043
Trucks4%
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 17th Street over Greeley No. 3 Ditch built?

It was built in 1984, making it 41 years old in 2025.

What condition is 17th Street 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 17th Street over Greeley No. 3 Ditch carry?

About 462 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is 17th Street over Greeley No. 3 Ditch?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (8 m) and a deck 43 ft wide.

Who owns 17th Street over Greeley No. 3 Ditch?

It is owned by the City or Municipal Highway Agency.