US Bridges

S Valley Road over Deer Creek Tributary

Fair

Jefferson County, Colorado · 1.5 MI S of Key Caryl Ave · Structure no. G-16-119

Built
1975
50 years old
Condition
Fair
inspected March 2025
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
1,801
2021 count
Owner
County
County Highway Agency

About this bridge

S Valley Road over Deer Creek Tributary is a concrete culvert carrying S Valley Road over Deer Creek Tributary 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 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 1,801 vehicles a day, roughly 4% of them trucks, projected to reach 2,071 by 2041. The structure is 22 ft (6.6 m) long and 69 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS Valley Road
CrossesDeer Creek Tributary
Location1.5 MI S of Key Caryl Ave
RouteCounty Highway 0
Coordinates39.55742, -105.15028
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length22 ft (6.6 m)
Longest span10 ft (3.1 m)
Deck width69 ft (21.1 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,801 (2021)
Projected traffic2,071 by 2041
Trucks4%
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

OwnerCounty Highway Agency
Maintained byCounty 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 S Valley Road over Deer Creek Tributary built?

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

What condition is S Valley Road over Deer Creek Tributary 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 2025.

How much traffic does S Valley Road over Deer Creek Tributary carry?

About 1,801 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is S Valley Road over Deer Creek Tributary?

The structure is 22 ft (6.6 m) long with a longest span of 10 ft (3.1 m) and a deck 69 ft wide.

Who owns S Valley Road over Deer Creek Tributary?

It is owned by the County Highway Agency.