US Bridges

SH 71 Ml over Draw

Good

Crowley County, Colorado · 4.3 MI N of JCT SH 96-E · Structure no. K-22-P

Built
1993
32 years old
Condition
Good
inspected January 2022
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
570
2020 count
Owner
State
State Highway Agency

About this bridge

SH 71 Ml over Draw is a concrete culvert carrying SH 71 Ml over Draw in Crowley County, Colorado. It was built in 1993, so it is 32 years old, younger 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 570 vehicles a day, roughly 23% of them trucks, projected to reach 758 by 2040. The structure is 21 ft (6.4 m) long and 66 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSH 71 Ml
CrossesDraw
Location4.3 MI N of JCT SH 96-E
RouteState Highway 71C
Coordinates38.27812, -103.74853
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 inspectionJanuary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.8 US tons
Inventory rating59.7 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 width66 ft (20.1 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic570 (2020)
Projected traffic758 by 2040
Trucks23%
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 71 Ml over Draw built?

It was built in 1993, making it 32 years old in 2025.

What condition is SH 71 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 January 2022.

How much traffic does SH 71 Ml over Draw carry?

About 570 vehicles per day (2020 count), of which roughly 23% are trucks.

How long is SH 71 Ml over Draw?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 66 ft wide.

Who owns SH 71 Ml over Draw?

It is owned by the State Highway Agency.