US Bridges

Cty RD Uncompahgre over Uncompahgre River

Fair

Montrose County, Colorado · 0.3 MI E of US550 · Structure no. 085070B00.40018

Built
1960
65 years old, rebuilt 1975
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
80 ft
1 main span
Daily traffic
413
2022 count
Owner
County
County Highway Agency

About this bridge

Cty RD Uncompahgre over Uncompahgre River is a steel stringer/multi-beam or girder carrying Cty RD Uncompahgre over Uncompahgre River in Montrose County, Colorado. It was built in 1960 and reconstructed in 1975, so it is 65 years old, older 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 5 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 413 vehicles a day, roughly 2% of them trucks, projected to reach 479 by 2042. The structure is 80 ft (24.5 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCty RD Uncompahgre
CrossesUncompahgre River
Location0.3 MI E of US550
RouteCounty Highway 0
Coordinates38.37788, -107.81044
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.5 US tons
Inventory rating29.7 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length80 ft (24.5 m)
Longest span78 ft (23.9 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic413 (2022)
Projected traffic479 by 2042
Trucks2%
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 Cty RD Uncompahgre over Uncompahgre River built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1975.

What condition is Cty RD Uncompahgre over Uncompahgre 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 October 2023.

How much traffic does Cty RD Uncompahgre over Uncompahgre River carry?

About 413 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Cty RD Uncompahgre over Uncompahgre River?

The structure is 80 ft (24.5 m) long with a longest span of 78 ft (23.9 m) and a deck 28 ft wide.

Who owns Cty RD Uncompahgre over Uncompahgre River?

It is owned by the County Highway Agency.