US Bridges

SH 7 Ml over Bear Canyon Creek

Fair

Boulder County, Colorado · JCT 157 & Arapahoe · Structure no. D-16-DB

Built
1985
40 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
86 ft
7 main spans
Daily traffic
29,000
2020 count
Owner
State
State Highway Agency

About this bridge

SH 7 Ml over Bear Canyon Creek is a concrete culvert carrying SH 7 Ml over Bear Canyon Creek in Boulder County, Colorado. It was built in 1985, so it is 40 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 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 29,000 vehicles a day, roughly 3% of them trucks, projected to reach 32,770 by 2040. The structure is 86 ft (26.3 m) long and 166 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSH 7 Ml
CrossesBear Canyon Creek
LocationJCT 157 & Arapahoe
RouteState Highway 7C
Coordinates40.01492, -105.23953
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 protection8 Very GoodNo problems noted.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
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 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 rating41.3 US tons
Inventory rating24.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans7
Design loadHS 20
Structure length86 ft (26.3 m)
Longest span14 ft (4.3 m)
Deck width166 ft (50.6 m)
Roadway width138 ft (42.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,000 (2020)
Projected traffic32,770 by 2040
Trucks3%
Lanes on structure11
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 7 Ml over Bear Canyon Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is SH 7 Ml over Bear Canyon Creek 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 July 2023.

How much traffic does SH 7 Ml over Bear Canyon Creek carry?

About 29,000 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is SH 7 Ml over Bear Canyon Creek?

The structure is 86 ft (26.3 m) long with a longest span of 14 ft (4.3 m) and a deck 166 ft wide.

Who owns SH 7 Ml over Bear Canyon Creek?

It is owned by the State Highway Agency.