US Bridges

S Lipan Street over Sanderson Gulch

Fair

Denver County, Colorado · At Arkansas Avenue · Structure no. D-12-SG-160A

Built
2019
6 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
42 ft
2 main spans
Daily traffic
1,123
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

S Lipan Street over Sanderson Gulch is a concrete culvert carrying S Lipan Street over Sanderson Gulch in Denver County, Colorado. It was built in 2019, so it is 6 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 1,123 vehicles a day, roughly 2% of them trucks, projected to reach 1,246 by 2041. The structure is 42 ft (12.7 m) long and 234 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS Lipan Street
CrossesSanderson Gulch
LocationAt Arkansas Avenue
RouteCity Street 0
Coordinates39.69138, -105.00165
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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106.8 US tons
Inventory rating106.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length42 ft (12.7 m)
Longest span14 ft (4.3 m)
Deck width234 ft (71.3 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,123 (2021)
Projected traffic1,246 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

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 S Lipan Street over Sanderson Gulch built?

It was built in 2019, making it 6 years old in 2025.

What condition is S Lipan 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 December 2024.

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

About 1,123 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is S Lipan Street over Sanderson Gulch?

The structure is 42 ft (12.7 m) long with a longest span of 14 ft (4.3 m) and a deck 234 ft wide.

Who owns S Lipan Street over Sanderson Gulch?

It is owned by the City or Municipal Highway Agency.