US Bridges

SH 88-FEDERAL Blvd over Sanderson Gulch

Fair

Denver County, Colorado · Federal N of Evans Ave · Structure no. F-16-AP

Built
1957
68 years old, rebuilt 2008
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
38 ft
3 main spans
Daily traffic
33,000
2020 count
Owner
State
State Highway Agency

About this bridge

SH 88-FEDERAL Blvd over Sanderson Gulch is a concrete culvert carrying SH 88-FEDERAL Blvd over Sanderson Gulch in Denver County, Colorado. It was built in 1957 and reconstructed in 2008, so it is 68 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.

It carries about 33,000 vehicles a day, roughly 5% of them trucks, projected to reach 35,640 by 2040. The structure is 38 ft (11.6 m) long and 107 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSH 88-FEDERAL Blvd
CrossesSanderson Gulch
LocationFederal N of Evans Ave
RouteState Highway 88A
Coordinates39.68661, -105.02489
Functional classUrban Other Principal Arterial

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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92 US tons
Inventory rating55.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span14 ft (4.3 m)
Deck width107 ft (32.5 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,000 (2020)
Projected traffic35,640 by 2040
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$121,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 88-FEDERAL Blvd over Sanderson Gulch built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2008.

What condition is SH 88-FEDERAL Blvd 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 November 2024.

How much traffic does SH 88-FEDERAL Blvd over Sanderson Gulch carry?

About 33,000 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is SH 88-FEDERAL Blvd over Sanderson Gulch?

The structure is 38 ft (11.6 m) long with a longest span of 14 ft (4.3 m) and a deck 107 ft wide.

Who owns SH 88-FEDERAL Blvd over Sanderson Gulch?

It is owned by the State Highway Agency.