US Bridges

County Road 627 over Colorado River

Fair

Grand County, Colorado · 1.4 MI East of US HWY 34 · Structure no. 049062701.4027A

Built
1999
26 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
120 ft
1 main span
Daily traffic
4
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 627 over Colorado River is a prestressed concrete box beam or girders - multiple carrying County Road 627 over Colorado River in Grand County, Colorado. It was built in 1999, so it is 26 years old, younger 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 4 vehicles a day, roughly 13% of them trucks, projected to reach 5 by 2042. The structure is 120 ft (36.5 m) long and 36 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesCounty Road 627
CrossesColorado River
Location1.4 MI East of US HWY 34
RouteCounty Highway 0
Coordinates40.13278, -105.87595
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating82.3 US tons
Inventory rating49.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length120 ft (36.5 m)
Longest span115 ft (35 m)
Deck width36 ft (10.9 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4 (2023)
Projected traffic5 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 627 over Colorado River built?

It was built in 1999, making it 26 years old in 2025.

What condition is County Road 627 over Colorado River 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 September 2023.

How much traffic does County Road 627 over Colorado River carry?

About 4 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is County Road 627 over Colorado River?

The structure is 120 ft (36.5 m) long with a longest span of 115 ft (35 m) and a deck 36 ft wide.

Who owns County Road 627 over Colorado River?

It is owned by the County Highway Agency.