US Bridges

Tamarac Street over Brantner Gulch Trib

Fair

Adams County, Colorado · 0.1 MI South of 130th · Structure no. THN-TAM130-BRG

Built
2005
20 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
63 ft
4 main spans
Daily traffic
1,529
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Tamarac Street over Brantner Gulch Trib is a concrete culvert carrying Tamarac Street over Brantner Gulch Trib in Adams County, Colorado. It was built in 2005, so it is 20 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 1,529 vehicles a day, projected to reach 1,988 by 2041. The structure is 63 ft (19.1 m) long and 60 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTamarac Street
CrossesBrantner Gulch Trib
Location0.1 MI South of 130th
RouteCity Street 0
Coordinates39.93079, -104.89631
Functional classUrban Local

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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating99.9 US tons
Inventory rating99.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadUnknown
Structure length63 ft (19.1 m)
Longest span15 ft (4.5 m)
Deck width60 ft (18.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,529 (2021)
Projected traffic1,988 by 2041
Trucks0%
Lanes on structure2
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 Tamarac Street over Brantner Gulch Trib built?

It was built in 2005, making it 20 years old in 2025.

What condition is Tamarac Street over Brantner Gulch Trib 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 January 2024.

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

About 1,529 vehicles per day (2021 count).

How long is Tamarac Street over Brantner Gulch Trib?

The structure is 63 ft (19.1 m) long with a longest span of 15 ft (4.5 m) and a deck 60 ft wide.

Who owns Tamarac Street over Brantner Gulch Trib?

It is owned by the City or Municipal Highway Agency.