US Bridges

County Road 1600 over Uncompahgre River

Good

Delta County, Colorado · 1.1 MI N of D25 Road · Structure no. DEL1600RD80-38A

Built
1986
39 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
84 ft
1 main span
Daily traffic
1,427
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 1600 over Uncompahgre River is a steel stringer/multi-beam or girder carrying County Road 1600 over Uncompahgre River in Delta County, Colorado. It was built in 1986, so it is 39 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 1,427 vehicles a day, roughly 5% of them trucks, projected to reach 1,612 by 2042. The structure is 84 ft (25.6 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCounty Road 1600
CrossesUncompahgre River
Location1.1 MI N of D25 Road
RouteCounty Highway 0
Coordinates38.71175, -108.06455
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
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 rating71.9 US tons
Inventory rating43 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length84 ft (25.6 m)
Longest span78 ft (23.7 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,427 (2022)
Projected traffic1,612 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 1600 over Uncompahgre River built?

It was built in 1986, making it 39 years old in 2025.

What condition is County Road 1600 over Uncompahgre 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 September 2023.

How much traffic does County Road 1600 over Uncompahgre River carry?

About 1,427 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is County Road 1600 over Uncompahgre River?

The structure is 84 ft (25.6 m) long with a longest span of 78 ft (23.7 m) and a deck 32 ft wide.

Who owns County Road 1600 over Uncompahgre River?

It is owned by the County Highway Agency.