US Bridges

Centre Street over New Mercer Canal

Good

Larimer County, Colorado · 0.1 M E of Worthington ST · Structure no. FCCTRE-0.1-WTGN

Built
1989
36 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
28 ft
1 main span
Daily traffic
5,256
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Centre Street over New Mercer Canal is a concrete culvert carrying Centre Street over New Mercer Canal in Larimer County, Colorado. It was built in 1989, so it is 36 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 5,256 vehicles a day, roughly 7% of them trucks, projected to reach 6,570 by 2043. The structure is 28 ft (8.5 m) long and 61 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCentre Street
CrossesNew Mercer Canal
Location0.1 M E of Worthington ST
RouteCity Street 0
Coordinates40.55675, -105.08889
Functional classUrban Minor Arterial

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93.6 US tons
Inventory rating56.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width61 ft (18.5 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,256 (2023)
Projected traffic6,570 by 2043
Trucks7%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Centre Street over New Mercer Canal built?

It was built in 1989, making it 36 years old in 2025.

What condition is Centre Street over New Mercer Canal 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 April 2023.

How much traffic does Centre Street over New Mercer Canal carry?

About 5,256 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Centre Street over New Mercer Canal?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 61 ft wide.

Who owns Centre Street over New Mercer Canal?

It is owned by the City or Municipal Highway Agency.