US Bridges

SH 17 Ml over Draw

Good

Saguache County, Colorado · 9.7 MI No of JCT SH 112 M · Structure no. M-13-D

Built
1947
78 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
1,400
2020 count
Owner
State
State Highway Agency

About this bridge

SH 17 Ml over Draw is a concrete culvert carrying SH 17 Ml over Draw in Saguache County, Colorado. It was built in 1947, so it is 78 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 1,400 vehicles a day, roughly 10% of them trucks, projected to reach 1,708 by 2040. The structure is 21 ft (6.4 m) long and 36 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

CarriesSH 17 Ml
CrossesDraw
Location9.7 MI No of JCT SH 112 M
RouteState Highway 17B
Coordinates37.89103, -105.89637
Functional classRural Principal Arterial - Other

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.3 US tons
Inventory rating39.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2020)
Projected traffic1,708 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 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 17 Ml over Draw built?

It was built in 1947, making it 78 years old in 2025.

What condition is SH 17 Ml over Draw 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 October 2023.

How much traffic does SH 17 Ml over Draw carry?

About 1,400 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is SH 17 Ml over Draw?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 36 ft wide.

Who owns SH 17 Ml over Draw?

It is owned by the State Highway Agency.