US Bridges

Ward Road over Ralston Creek

Poor

Jefferson County, Colorado · Just North of 70th Ave · Structure no. ARVA-WD-0.75-01

Built
1969
56 years old
Condition
Poor
inspected March 2025
Type
Tee Beam
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
15,435
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ward Road over Ralston Creek is a prestressed concrete tee beam carrying Ward Road over Ralston Creek in Jefferson County, Colorado. It was built in 1969, so it is 56 years old, older than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 15,435 vehicles a day, roughly 5% of them trucks, projected to reach 17,750 by 2041. The structure is 53 ft (16.3 m) long and 78 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWard Road
CrossesRalston Creek
LocationJust North of 70th Ave
RouteCity Street 0
Coordinates39.82343, -105.13777
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadUnknown
Structure length53 ft (16.3 m)
Longest span50 ft (15.2 m)
Deck width78 ft (23.7 m)
Roadway width66 ft (20.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,435 (2021)
Projected traffic17,750 by 2041
Trucks5%
Lanes on structure3
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 Ward Road over Ralston Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is Ward Road over Ralston Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2025.

How much traffic does Ward Road over Ralston Creek carry?

About 15,435 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Ward Road over Ralston Creek?

The structure is 53 ft (16.3 m) long with a longest span of 50 ft (15.2 m) and a deck 78 ft wide.

Who owns Ward Road over Ralston Creek?

It is owned by the City or Municipal Highway Agency.