US Bridges

Morrow Dam Road over Cimmaron Creek

Good

Montrose County, Colorado · Cimmaron Colorado · Structure no. 0400-5

Built
1970
55 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
67 ft
1 main span
Daily traffic
100
2006 count
Owner
Federal
Bureau of Reclamation

About this bridge

Morrow Dam Road over Cimmaron Creek is a steel stringer/multi-beam or girder carrying Morrow Dam Road over Cimmaron Creek in Montrose County, Colorado. It was built in 1970, so it is 55 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 100 vehicles a day, projected to reach 100 by 2035. The structure is 67 ft (20.5 m) long and 24 ft wide. If it were closed, the detour would be 198.8 mi (320 km).

CarriesMorrow Dam Road
CrossesCimmaron Creek
LocationCimmaron Colorado
RouteFederal Lands Road 0
Coordinates38.44694, -107.55528
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.9 US tons
Inventory rating22.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length67 ft (20.5 m)
Longest span62 ft (18.9 m)
Deck width24 ft (7.3 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2006)
Projected traffic100 by 2035
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed198.8 mi (320 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Reclamation
Maintained byBureau of Reclamation
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 Morrow Dam Road over Cimmaron Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Morrow Dam Road over Cimmaron Creek 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 July 2024.

How much traffic does Morrow Dam Road over Cimmaron Creek carry?

About 100 vehicles per day (2006 count).

How long is Morrow Dam Road over Cimmaron Creek?

The structure is 67 ft (20.5 m) long with a longest span of 62 ft (18.9 m) and a deck 24 ft wide.

Who owns Morrow Dam Road over Cimmaron Creek?

It is owned by the Bureau of Reclamation.