US Bridges

Quebec Street over Brantner Gulch Trib

Good

Adams County, Colorado · .35 MI N of 128th Ave · Structure no. THN-QUE130-BRG

Built
2003
22 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
3,519
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Quebec Street over Brantner Gulch Trib is a concrete culvert carrying Quebec Street over Brantner Gulch Trib in Adams County, Colorado. It was built in 2003, so it is 22 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,519 vehicles a day, roughly 1% of them trucks, projected to reach 4,575 by 2041. The structure is 26 ft (7.8 m) long and 151 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesQuebec Street
CrossesBrantner Gulch Trib
Location.35 MI N of 128th Ave
RouteCity Street 0
Coordinates39.93393, -104.90309
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length26 ft (7.8 m)
Longest span14 ft (4.4 m)
Deck width151 ft (46.1 m)
Roadway width149 ft (45.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,519 (2021)
Projected traffic4,575 by 2041
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Quebec Street over Brantner Gulch Trib built?

It was built in 2003, making it 22 years old in 2025.

What condition is Quebec Street over Brantner Gulch Trib in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does Quebec Street over Brantner Gulch Trib carry?

About 3,519 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Quebec Street over Brantner Gulch Trib?

The structure is 26 ft (7.8 m) long with a longest span of 14 ft (4.4 m) and a deck 151 ft wide.

Who owns Quebec Street over Brantner Gulch Trib?

It is owned by the City or Municipal Highway Agency.