US Bridges

8th ST (CR60.5) over Sand Creek

Fair

Weld County, Colorado · 2.3 MI E of JCT 85 Byp · Structure no. GREELEY-0000028

Built
1967
58 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Concrete Continuous
Length
95 ft
3 main spans
Daily traffic
6,476
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

8th ST (CR60.5) over Sand Creek is a concrete continuous tee beam carrying 8th ST (CR60.5) over Sand Creek in Weld County, Colorado. It was built in 1967, so it is 58 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 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 6,476 vehicles a day, roughly 21% of them trucks, projected to reach 9,195 by 2043. The structure is 95 ft (29.1 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries8th ST (CR60.5)
CrossesSand Creek
Location2.3 MI E of JCT 85 Byp
RouteCity Street 0
CountyWeld County
StateColorado
Coordinates40.42268, -104.63549
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
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 within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.9 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length95 ft (29.1 m)
Longest span33 ft (10.2 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,476 (2023)
Projected traffic9,195 by 2043
Trucks21%
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 8th ST (CR60.5) over Sand Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is 8th ST (CR60.5) over Sand 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 April 2024.

How much traffic does 8th ST (CR60.5) over Sand Creek carry?

About 6,476 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is 8th ST (CR60.5) over Sand Creek?

The structure is 95 ft (29.1 m) long with a longest span of 33 ft (10.2 m) and a deck 34 ft wide.

Who owns 8th ST (CR60.5) over Sand Creek?

It is owned by the City or Municipal Highway Agency.