US Bridges

SH 13 Ml over Hubbard Gulch

Fair

Garfield County, Colorado · 1.4 MI N of JCT SH 6 · Structure no. F-05-AA

Built
1980
45 years old
Condition
Fair
inspected June 2022
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
5,700
2020 count
Owner
State
State Highway Agency

About this bridge

SH 13 Ml over Hubbard Gulch is a concrete culvert carrying SH 13 Ml over Hubbard Gulch in Garfield County, Colorado. It was built in 1980, so it is 45 years old, older 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 5,700 vehicles a day, roughly 16% of them trucks, projected to reach 8,607 by 2040. The structure is 25 ft (7.6 m) long and 72 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSH 13 Ml
CrossesHubbard Gulch
Location1.4 MI N of JCT SH 6
RouteState Highway 13A
Coordinates39.54604, -107.79247
Functional classUrban Other Principal Arterial

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.9 US tons
Inventory rating43.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width72 ft (21.9 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,700 (2020)
Projected traffic8,607 by 2040
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SH 13 Ml over Hubbard Gulch built?

It was built in 1980, making it 45 years old in 2025.

What condition is SH 13 Ml over Hubbard 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 June 2022.

How much traffic does SH 13 Ml over Hubbard Gulch carry?

About 5,700 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is SH 13 Ml over Hubbard Gulch?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 72 ft wide.

Who owns SH 13 Ml over Hubbard Gulch?

It is owned by the State Highway Agency.