US Bridges

Gunnison Road over Uncompahgre River

Fair

Montrose County, Colorado · 1 MI W of SH 50 · Structure no. 085002800.4061A

Built
1991
34 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
72 ft
1 main span
Daily traffic
146
2022 count
Owner
County
County Highway Agency

About this bridge

Gunnison Road over Uncompahgre River is a steel stringer/multi-beam or girder carrying Gunnison Road over Uncompahgre River in Montrose County, Colorado. It was built in 1991, so it is 34 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 146 vehicles a day, roughly 2% of them trucks, projected to reach 170 by 2042. The structure is 72 ft (22 m) long and 29 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesGunnison Road
CrossesUncompahgre River
Location1 MI W of SH 50
RouteCounty Highway 0
Coordinates38.56546, -107.97243
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating54.5 US tons
Inventory rating32.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length72 ft (22 m)
Longest span68 ft (20.7 m)
Deck width29 ft (8.8 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic146 (2022)
Projected traffic170 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 Gunnison Road over Uncompahgre River built?

It was built in 1991, making it 34 years old in 2025.

What condition is Gunnison Road 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 Gunnison Road over Uncompahgre River carry?

About 146 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Gunnison Road over Uncompahgre River?

The structure is 72 ft (22 m) long with a longest span of 68 ft (20.7 m) and a deck 29 ft wide.

Who owns Gunnison Road over Uncompahgre River?

It is owned by the County Highway Agency.