US Bridges

County Road G50 over Gunnison River

Good

Delta County, Colorado · 3 MI NW of 5th ST · Structure no. DELG50R-2.2-11A

Built
1991
34 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
270 ft
2 main spans
Daily traffic
2,293
2022 count
Owner
County
County Highway Agency

About this bridge

County Road G50 over Gunnison River is a prestressed concrete continuous stringer/multi-beam or girder carrying County Road G50 over Gunnison River in Delta 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 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 2,293 vehicles a day, roughly 2% of them trucks, projected to reach 2,592 by 2042. The structure is 270 ft (82.3 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesCounty Road G50
CrossesGunnison River
Location3 MI NW of 5th ST
RouteCounty Highway 0
CountyDelta County
StateColorado
Coordinates38.74797, -108.11997
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
Deck7 GoodSome minor problems.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating107.8 US tons
Inventory rating48.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length270 ft (82.3 m)
Longest span131 ft (40 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,293 (2022)
Projected traffic2,592 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 G50 over Gunnison River built?

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

What condition is County Road G50 over Gunnison 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 G50 over Gunnison River carry?

About 2,293 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Road G50 over Gunnison River?

The structure is 270 ft (82.3 m) long with a longest span of 131 ft (40 m) and a deck 31 ft wide.

Who owns County Road G50 over Gunnison River?

It is owned by the County Highway Agency.