US Bridges

County Road 23 over Uncompahgre River

Good

Ouray County, Colorado · 4.3 MI Nnw of Ouray · Structure no. OUR23-0.1-14A

Built
1997
28 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
70 ft
1 main span
Daily traffic
1,226
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 23 over Uncompahgre River is a steel stringer/multi-beam or girder carrying County Road 23 over Uncompahgre River in Ouray County, Colorado. It was built in 1997, so it is 28 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,226 vehicles a day, roughly 2% of them trucks, projected to reach 1,349 by 2042. The structure is 70 ft (21.3 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesCounty Road 23
CrossesUncompahgre River
Location4.3 MI Nnw of Ouray
RouteCounty Highway 0
CountyOuray County
StateColorado
Coordinates38.08058, -107.70328
Functional classRural Minor 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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating101.4 US tons
Inventory rating60.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span65 ft (19.8 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,226 (2022)
Projected traffic1,349 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 23 over Uncompahgre River built?

It was built in 1997, making it 28 years old in 2025.

What condition is County Road 23 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 October 2023.

How much traffic does County Road 23 over Uncompahgre River carry?

About 1,226 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Road 23 over Uncompahgre River?

The structure is 70 ft (21.3 m) long with a longest span of 65 ft (19.8 m) and a deck 31 ft wide.

Who owns County Road 23 over Uncompahgre River?

It is owned by the County Highway Agency.