US Bridges

US 350 Ml over Draw

Good

Las Animas County, Colorado · 5.2 Miles NE of Model · Structure no. O-20-I

Built
1980
45 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
73 ft
5 main spans
Daily traffic
710
2020 count
Owner
State
State Highway Agency

About this bridge

US 350 Ml over Draw is a concrete culvert carrying US 350 Ml over Draw in Las Animas 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 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 710 vehicles a day, roughly 11% of them trucks, projected to reach 973 by 2040. The structure is 73 ft (22.3 m) long and 36 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesUS 350 Ml
CrossesDraw
Location5.2 Miles NE of Model
RouteU.S. Route 350A
Coordinates37.44481, -104.21247
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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89 US tons
Inventory rating53.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadHS 20
Structure length73 ft (22.3 m)
Longest span14 ft (4.3 m)
Deck width36 ft (11.1 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic710 (2020)
Projected traffic973 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 US 350 Ml over Draw built?

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

What condition is US 350 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 December 2024.

How much traffic does US 350 Ml over Draw carry?

About 710 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is US 350 Ml over Draw?

The structure is 73 ft (22.3 m) long with a longest span of 14 ft (4.3 m) and a deck 36 ft wide.

Who owns US 350 Ml over Draw?

It is owned by the State Highway Agency.