US Bridges

Gubbins-Johnson Ac over Baker Creek

FairPosted for load

Grand County, Colorado · 0.6 Miles West of U.S. Ro · Structure no. 1520019S0000000

Built
1983
42 years old
Condition
Fair
inspected October 2024
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
20 ft
1 main span
Daily traffic
50
2019 count
Owner
Federal
National Park Service

About this bridge

Gubbins-Johnson Ac over Baker Creek is a aluminum, wrought iron, or cast iron culvert carrying Gubbins-Johnson Ac over Baker Creek in Grand County, Colorado. It was built in 1983, so it is 42 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, roughly 1% of them trucks, projected to reach 100 by 2039. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesGubbins-Johnson Ac
CrossesBaker Creek
Location0.6 Miles West of U.S. Ro
RouteFederal Lands Road 0
Coordinates40.32903, -105.86131
Functional classRural 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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating13 US tons
Inventory rating8 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHS 20
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width16 ft (5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2019)
Projected traffic100 by 2039
Trucks1%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerNational Park Service
Maintained byNational Park Service
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$90,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Gubbins-Johnson Ac over Baker Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Gubbins-Johnson Ac over Baker Creek 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 October 2024.

How much traffic does Gubbins-Johnson Ac over Baker Creek carry?

About 50 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is Gubbins-Johnson Ac over Baker Creek?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m).

Who owns Gubbins-Johnson Ac over Baker Creek?

It is owned by the National Park Service.