US Bridges

SH 7 (arapahoe) over Bike/Ped Underpass

Fair

Boulder County, Colorado · East of JCT SH 7 & SH · Structure no. D-16-DQ

Built
2006
19 years old
Condition
Fair
inspected July 2023
Type
Frame
Concrete
Length
22 ft
1 main span
Daily traffic
29,000
2020 count
Owner
State
State Highway Agency

About this bridge

SH 7 (arapahoe) over Bike/Ped Underpass is a concrete frame carrying SH 7 (arapahoe) over Bike/Ped Underpass in Boulder County, Colorado. It was built in 2006, so it is 19 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 29,000 vehicles a day, roughly 3% of them trucks, projected to reach 32,770 by 2040. The structure is 22 ft (6.7 m) long and 172 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSH 7 (arapahoe)
CrossesBike/Ped Underpass
LocationEast of JCT SH 7 & SH
RouteState Highway 7C
CountyBoulder County
StateColorado
Coordinates40.0149, -105.24018
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.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.8 US tons
Inventory rating46.4 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width172 ft (52.3 m)
Roadway width136 ft (41.5 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
CrossesPedestrian / bicycle
Detour if closed1.2 mi (2 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 (arapahoe) over Bike/Ped Underpass built?

It was built in 2006, making it 19 years old in 2025.

What condition is SH 7 (arapahoe) over Bike/Ped Underpass 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 (arapahoe) over Bike/Ped Underpass carry?

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

How long is SH 7 (arapahoe) over Bike/Ped Underpass?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 172 ft wide.

Who owns SH 7 (arapahoe) over Bike/Ped Underpass?

It is owned by the State Highway Agency.