US Bridges

SH 63 Ml over Draw

Fair

Washington County, Colorado · 14 MI No of JCT US 36 · Structure no. E-24-I

Built
1979
46 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
44 ft
3 main spans
Daily traffic
530
2020 count
Owner
State
State Highway Agency

About this bridge

SH 63 Ml over Draw is a concrete culvert carrying SH 63 Ml over Draw in Washington County, Colorado. It was built in 1979, so it is 46 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 530 vehicles a day, roughly 21% of them trucks, projected to reach 610 by 2040. The structure is 44 ft (13.5 m) long and 63 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSH 63 Ml
CrossesDraw
Location14 MI No of JCT US 36
RouteState Highway 63A
Coordinates39.94465, -103.21754
Functional classRural Major Collector

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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating39.1 US tons
Inventory rating23.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length44 ft (13.5 m)
Longest span16 ft (4.9 m)
Deck width63 ft (19.1 m)
Roadway width60 ft (18.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic530 (2020)
Projected traffic610 by 2040
Trucks21%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 63 Ml over Draw built?

It was built in 1979, making it 46 years old in 2025.

What condition is SH 63 Ml over Draw 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 July 2023.

How much traffic does SH 63 Ml over Draw carry?

About 530 vehicles per day (2020 count), of which roughly 21% are trucks.

How long is SH 63 Ml over Draw?

The structure is 44 ft (13.5 m) long with a longest span of 16 ft (4.9 m) and a deck 63 ft wide.

Who owns SH 63 Ml over Draw?

It is owned by the State Highway Agency.