US Bridges

SH 7 Ml Ebnd over Boulder Creek

Fair

Boulder County, Colorado · Arapahoe Avenue · Structure no. D-15-AV

Built
1966
59 years old, rebuilt 1986
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete Continuous
Length
155 ft
4 main spans
Daily traffic
15,000
2020 count
Owner
State
State Highway Agency

About this bridge

SH 7 Ml Ebnd over Boulder Creek is a concrete continuous tee beam carrying SH 7 Ml Ebnd over Boulder Creek in Boulder County, Colorado. It was built in 1966 and reconstructed in 1986, so it is 59 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 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 15,000 vehicles a day, roughly 4% of them trucks, projected to reach 16,950 by 2040. The structure is 155 ft (47.2 m) long and 45 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSH 7 Ml Ebnd
CrossesBoulder Creek
LocationArapahoe Avenue
RouteState Highway 7C
Coordinates40.01446, -105.24539
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.3 US tons
Inventory rating30.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckOther
Main spans4
Design loadHS 20 + Mod
Structure length155 ft (47.2 m)
Longest span50 ft (15.2 m)
Deck width45 ft (13.6 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,000 (2020)
Projected traffic16,950 by 2040
Trucks4%
Lanes on structure3
Traffic directionOne-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 with deck rehabilitation or replacement
Estimated improvement cost$928,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 7 Ml Ebnd over Boulder Creek built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1986.

What condition is SH 7 Ml Ebnd over Boulder 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 Ebnd over Boulder Creek carry?

About 15,000 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is SH 7 Ml Ebnd over Boulder Creek?

The structure is 155 ft (47.2 m) long with a longest span of 50 ft (15.2 m) and a deck 45 ft wide.

Who owns SH 7 Ml Ebnd over Boulder Creek?

It is owned by the State Highway Agency.