US Bridges

Morrow Dam Road over Cimarron River

Good

Montrose County, Colorado · Approx .1 MI E Cimarron · Structure no. 0400-4

Built
1970
55 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
121 ft
1 main span
Daily traffic
150
2006 count
Owner
Federal
Bureau of Reclamation

About this bridge

Morrow Dam Road over Cimarron River is a steel stringer/multi-beam or girder carrying Morrow Dam Road over Cimarron River 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 150 vehicles a day, projected to reach 150 by 2035. The structure is 121 ft (36.9 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMorrow Dam Road
CrossesCimarron River
LocationApprox .1 MI E Cimarron
RouteFederal Lands Road 0
Coordinates38.44194, -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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating43.5 US tons
Inventory rating33.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length121 ft (36.9 m)
Longest span39 ft (12 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2006)
Projected traffic150 by 2035
Trucks—
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

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 Cimarron River built?

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

What condition is Morrow Dam Road over Cimarron River 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 Cimarron River carry?

About 150 vehicles per day (2006 count).

How long is Morrow Dam Road over Cimarron River?

The structure is 121 ft (36.9 m) long with a longest span of 39 ft (12 m) and a deck 31 ft wide.

Who owns Morrow Dam Road over Cimarron River?

It is owned by the Bureau of Reclamation.