US Bridges

59th Avenue over Cache LA Poudre River

Fair

Weld County, Colorado · 1.2 MI N of W 4th Street · Structure no. GREELEY-000013A

Built
1997
28 years old
Condition
Fair
inspected April 2024
Type
Slab
Prestressed Concrete Continuous
Length
313 ft
5 main spans
Daily traffic
7,309
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

59th Avenue over Cache LA Poudre River is a prestressed concrete continuous slab carrying 59th Avenue over Cache LA Poudre River in Weld County, Colorado. It was built in 1997, so it is 28 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 7,309 vehicles a day, roughly 7% of them trucks, projected to reach 10,379 by 2043. The structure is 313 ft (95.4 m) long and 54 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries59th Avenue
CrossesCache LA Poudre River
Location1.2 MI N of W 4th Street
RouteCity Street 0
Coordinates40.4456, -104.77351
Functional classUrban Minor 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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 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 rating52.5 US tons
Inventory rating31.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length313 ft (95.4 m)
Longest span64 ft (19.4 m)
Deck width54 ft (16.4 m)
Roadway width51 ft (15.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,309 (2023)
Projected traffic10,379 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 59th Avenue over Cache LA Poudre River built?

It was built in 1997, making it 28 years old in 2025.

What condition is 59th Avenue over Cache LA Poudre River 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 59th Avenue over Cache LA Poudre River carry?

About 7,309 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is 59th Avenue over Cache LA Poudre River?

The structure is 313 ft (95.4 m) long with a longest span of 64 ft (19.4 m) and a deck 54 ft wide.

Who owns 59th Avenue over Cache LA Poudre River?

It is owned by the City or Municipal Highway Agency.