US Bridges

SH 17 Ml over Los Pinos River

Good

Conejos County, Colorado · 9 MI NE of New Mexico S.L · Structure no. P-11-C

Built
1967
58 years old
Condition
Good
inspected July 2023
Type
Culvert
Steel
Length
29 ft
2 main spans
Daily traffic
420
2020 count
Owner
State
State Highway Agency

About this bridge

SH 17 Ml over Los Pinos River is a steel culvert carrying SH 17 Ml over Los Pinos River in Conejos County, Colorado. It was built in 1967, so it is 58 years old, older than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 420 vehicles a day, roughly 10% of them trucks, projected to reach 470 by 2040. The structure is 29 ft (8.8 m) long and 90 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSH 17 Ml
CrossesLos Pinos River
Location9 MI NE of New Mexico S.L
RouteState Highway 17A
Coordinates37.04638, -106.41126
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating103.6 US tons
Inventory rating78.6 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span12 ft (3.7 m)
Deck width90 ft (27.4 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic420 (2020)
Projected traffic470 by 2040
Trucks10%
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 17 Ml over Los Pinos River built?

It was built in 1967, making it 58 years old in 2025.

What condition is SH 17 Ml over Los Pinos River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.

How much traffic does SH 17 Ml over Los Pinos River carry?

About 420 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is SH 17 Ml over Los Pinos River?

The structure is 29 ft (8.8 m) long with a longest span of 12 ft (3.7 m) and a deck 90 ft wide.

Who owns SH 17 Ml over Los Pinos River?

It is owned by the State Highway Agency.