US Bridges

County Road Aa over Dead Horse Draw

Good

Morgan County, Colorado · 0.5 MI E of CO RD 27 · Structure no. MGAA-0.5-27-A

Built
1992
33 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
67 ft
2 main spans
Daily traffic
22
2023 count
Owner
County
County Highway Agency

About this bridge

County Road Aa over Dead Horse Draw is a steel continuous stringer/multi-beam or girder carrying County Road Aa over Dead Horse Draw in Morgan County, Colorado. It was built in 1992, so it is 33 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 22 vehicles a day, roughly 51% of them trucks, projected to reach 28 by 2043. The structure is 67 ft (20.3 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road Aa
CrossesDead Horse Draw
Location0.5 MI E of CO RD 27
RouteCounty Highway 0
Coordinates40.37722, -103.62747
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 rating42.1 US tons
Inventory rating25.2 US tons

Structure

MaterialSteel Continuous
DeckCorrugated steel
Main spans2
Design loadUnknown
Structure length67 ft (20.3 m)
Longest span32 ft (9.7 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22 (2023)
Projected traffic28 by 2043
Trucks51%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was County Road Aa over Dead Horse Draw built?

It was built in 1992, making it 33 years old in 2025.

What condition is County Road Aa over Dead Horse 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 November 2024.

How much traffic does County Road Aa over Dead Horse Draw carry?

About 22 vehicles per day (2023 count), of which roughly 51% are trucks.

How long is County Road Aa over Dead Horse Draw?

The structure is 67 ft (20.3 m) long with a longest span of 32 ft (9.7 m) and a deck 28 ft wide.

Who owns County Road Aa over Dead Horse Draw?

It is owned by the County Highway Agency.