US Bridges

Rogers Road over Lykin Gulch

Fair

Boulder County, Colorado · 0.25 MI W of Airport RD · Structure no. LONG-ROGR-AIRRD

Built
2000
25 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
162 ft
6 main spans
Daily traffic
80
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Rogers Road over Lykin Gulch is a concrete culvert carrying Rogers Road over Lykin Gulch in Boulder County, Colorado. It was built in 2000, so it is 25 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 80 vehicles a day, roughly 7% of them trucks, projected to reach 96 by 2043. The structure is 162 ft (49.5 m) long and 61 ft wide. If it were closed, the detour would be 100 mi (161 km).

Location

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CarriesRogers Road
CrossesLykin Gulch
Location0.25 MI W of Airport RD
RouteCity Street 0
CountyBoulder County
StateColorado
Coordinates40.15969, -105.15794
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 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating38.4 US tons
Inventory rating23 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans6
Design loadHS 20
Structure length162 ft (49.5 m)
Longest span23 ft (6.9 m)
Deck width61 ft (18.7 m)
Roadway width49 ft (14.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2023)
Projected traffic96 by 2043
Trucks7%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed100 mi (161 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 Rogers Road over Lykin Gulch built?

It was built in 2000, making it 25 years old in 2025.

What condition is Rogers Road over Lykin Gulch 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 2025.

How much traffic does Rogers Road over Lykin Gulch carry?

About 80 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Rogers Road over Lykin Gulch?

The structure is 162 ft (49.5 m) long with a longest span of 23 ft (6.9 m) and a deck 61 ft wide.

Who owns Rogers Road over Lykin Gulch?

It is owned by the City or Municipal Highway Agency.