US Bridges

Joyce Street over Ralston Creek | Ralston

FairPosted for load

Jefferson County, Colorado · 0.06 MI North of 68th Ave · Structure no. ARVA-KK-0.06-01

Built
1975
50 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Prestressed Concrete
Length
81 ft
3 main spans
Daily traffic
110
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Joyce Street over Ralston Creek | Ralston is a prestressed concrete tee beam carrying Joyce Street over Ralston Creek | Ralston in Jefferson County, Colorado. It was built in 1975, so it is 50 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. Its operating status is: posted for load restriction.

It carries about 110 vehicles a day, projected to reach 127 by 2041. The structure is 81 ft (24.8 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesJoyce Street
CrossesRalston Creek | Ralston
Location0.06 MI North of 68th Ave
RouteCity Street 0
CountyJefferson County
StateColorado
Coordinates39.82173, -105.16916
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating15 US tons
Inventory rating12 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length81 ft (24.8 m)
Longest span25 ft (7.6 m)
Deck width46 ft (14 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2021)
Projected traffic127 by 2041
Trucks0%
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 Joyce Street over Ralston Creek | Ralston built?

It was built in 1975, making it 50 years old in 2025.

What condition is Joyce Street over Ralston Creek | Ralston 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 March 2023.

How much traffic does Joyce Street over Ralston Creek | Ralston carry?

About 110 vehicles per day (2021 count).

How long is Joyce Street over Ralston Creek | Ralston?

The structure is 81 ft (24.8 m) long with a longest span of 25 ft (7.6 m) and a deck 46 ft wide.

Who owns Joyce Street over Ralston Creek | Ralston?

It is owned by the City or Municipal Highway Agency.