US Bridges

S Reed Street over Sanderson Gulch

Fair

Jefferson County, Colorado · 0.1 MI S of S Pierce Way · Structure no. H-17-02

Built
2017
8 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
42 ft
2 main spans
Daily traffic
666
2021 count
Owner
County
County Highway Agency

About this bridge

S Reed Street over Sanderson Gulch is a concrete culvert carrying S Reed Street over Sanderson Gulch in Jefferson County, Colorado. It was built in 2017, so it is 8 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 666 vehicles a day, roughly 2% of them trucks, projected to reach 766 by 2041. The structure is 42 ft (12.9 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS Reed Street
CrossesSanderson Gulch
Location0.1 MI S of S Pierce Way
RouteCounty Highway 0
Coordinates39.68065, -105.07359
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.2 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length42 ft (12.9 m)
Longest span20 ft (6.1 m)
Deck width46 ft (13.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic666 (2021)
Projected traffic766 by 2041
Trucks2%
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

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 Reed Street over Sanderson Gulch built?

It was built in 2017, making it 8 years old in 2025.

What condition is S Reed Street over Sanderson Gulch 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 2023.

How much traffic does S Reed Street over Sanderson Gulch carry?

About 666 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is S Reed Street over Sanderson Gulch?

The structure is 42 ft (12.9 m) long with a longest span of 20 ft (6.1 m) and a deck 46 ft wide.

Who owns S Reed Street over Sanderson Gulch?

It is owned by the County Highway Agency.