US Bridges

57th Street over Louden Ditch

Good

Larimer County, Colorado · W of Garfield AVE/SH287 · Structure no. LOV125W57THST

Built
2007
18 years old
Condition
Good
inspected March 2025
Type
Culvert
Concrete
Length
28 ft
Daily traffic
11,414
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

57th Street over Louden Ditch is a concrete culvert carrying 57th Street over Louden Ditch in Larimer County, Colorado. It was built in 2007, so it is 18 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 11,414 vehicles a day, roughly 8% of them trucks, projected to reach 14,268 by 2043. The structure is 28 ft (8.5 m) long and 226 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries57th Street
CrossesLouden Ditch
LocationW of Garfield AVE/SH287
RouteCity Street 0
Coordinates40.45136, -105.07789
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans0
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width226 ft (69 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,414 (2023)
Projected traffic14,268 by 2043
Trucks8%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 57th Street over Louden Ditch built?

It was built in 2007, making it 18 years old in 2025.

What condition is 57th Street over Louden Ditch 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 March 2025.

How much traffic does 57th Street over Louden Ditch carry?

About 11,414 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is 57th Street over Louden Ditch?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 226 ft wide.

Who owns 57th Street over Louden Ditch?

It is owned by the City or Municipal Highway Agency.