US Bridges

SH 149 Ml over North Clear Creek

Fair

Hinsdale County, Colorado · 24 Miles SW of Lake City · Structure no. M-08-C

Built
1956
69 years old, rebuilt 1974
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
370
2020 count
Owner
State
State Highway Agency

About this bridge

SH 149 Ml over North Clear Creek is a concrete culvert carrying SH 149 Ml over North Clear Creek in Hinsdale County, Colorado. It was built in 1956 and reconstructed in 1974, so it is 69 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 370 vehicles a day, roughly 11% of them trucks, projected to reach 455 by 2040. The structure is 32 ft (9.8 m) long and 68 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSH 149 Ml
CrossesNorth Clear Creek
Location24 Miles SW of Lake City
RouteState Highway 149A
Coordinates37.85405, -107.1553
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 protection7 GoodSome minor problems.
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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 15
Structure length32 ft (9.8 m)
Longest span10 ft (3.1 m)
Deck width68 ft (20.6 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic370 (2020)
Projected traffic455 by 2040
Trucks11%
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 149 Ml over North Clear Creek built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1974.

What condition is SH 149 Ml over North Clear 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 January 2025.

How much traffic does SH 149 Ml over North Clear Creek carry?

About 370 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is SH 149 Ml over North Clear Creek?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3.1 m) and a deck 68 ft wide.

Who owns SH 149 Ml over North Clear Creek?

It is owned by the State Highway Agency.