US Bridges

SH 35 Ml over Sand Creek

Poor

Denver County, Colorado · On Quebec 0.1 MI N I70 · Structure no. E-17-HD

Built
1962
63 years old, rebuilt 1978
Condition
Poor
inspected June 2023
Type
Tee Beam
Concrete
Length
331 ft
6 main spans
Daily traffic
60,000
2018 count
Owner
State
State Highway Agency

About this bridge

SH 35 Ml over Sand Creek is a concrete tee beam carrying SH 35 Ml over Sand Creek in Denver County, Colorado. It was built in 1962 and reconstructed in 1978, so it is 63 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 60,000 vehicles a day, roughly 10% of them trucks, projected to reach 81,780 by 2031. The structure is 331 ft (101 m) long and 101 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSH 35 Ml
CrossesSand Creek
LocationOn Quebec 0.1 MI N I70
RouteState Highway 35A
Coordinates39.78101, -104.90243
Functional classUrban Principal Arterial - Other Freeway or Expressway

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.2 US tons
Inventory rating30.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length331 ft (101 m)
Longest span55 ft (16.8 m)
Deck width101 ft (30.8 m)
Roadway width98 ft (29.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60,000 (2018)
Projected traffic81,780 by 2031
Trucks10%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$8 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 35 Ml over Sand Creek built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1978.

What condition is SH 35 Ml over Sand 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 June 2023.

How much traffic does SH 35 Ml over Sand Creek carry?

About 60,000 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is SH 35 Ml over Sand Creek?

The structure is 331 ft (101 m) long with a longest span of 55 ft (16.8 m) and a deck 101 ft wide.

Who owns SH 35 Ml over Sand Creek?

It is owned by the State Highway Agency.