US Bridges

SH 14 Ml over Michigan River

Fair

Jackson County, Colorado · 19 MI E. of Walden · Structure no. B-12-I

Built
1978
47 years old
Condition
Fair
inspected September 2022
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
490
2020 count
Owner
State
State Highway Agency

About this bridge

SH 14 Ml over Michigan River is a concrete culvert carrying SH 14 Ml over Michigan River in Jackson County, Colorado. It was built in 1978, so it is 47 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 490 vehicles a day, roughly 6% of them trucks, projected to reach 622 by 2040. The structure is 26 ft (7.8 m) long and 69 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSH 14 Ml
CrossesMichigan River
Location19 MI E. of Walden
RouteState Highway 14B
Coordinates40.5535, -106.04361
Functional classRural Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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 US tons
Inventory rating43.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length26 ft (7.8 m)
Longest span13 ft (4 m)
Deck width69 ft (20.9 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic490 (2020)
Projected traffic622 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

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 14 Ml over Michigan River built?

It was built in 1978, making it 47 years old in 2025.

What condition is SH 14 Ml over Michigan River 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 September 2022.

How much traffic does SH 14 Ml over Michigan River carry?

About 490 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is SH 14 Ml over Michigan River?

The structure is 26 ft (7.8 m) long with a longest span of 13 ft (4 m) and a deck 69 ft wide.

Who owns SH 14 Ml over Michigan River?

It is owned by the State Highway Agency.