US Bridges

US 50 Service RD over Gunnison Rvr SR

Fair

Gunnison County, Colorado · W. Side of Gunnison · Structure no. J-09-C

Built
1926
99 years old, rebuilt 2012
Condition
Fair
inspected January 2025
Type
Truss - Thru
Steel
Length
129 ft
1 main span
Daily traffic
1,082
2022 count
Owner
State
State Highway Agency

About this bridge

US 50 Service RD over Gunnison Rvr SR is a steel truss - thru carrying US 50 Service RD over Gunnison Rvr SR in Gunnison County, Colorado. It was built in 1926 and reconstructed in 2012, so it is 99 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 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 1,082 vehicles a day, roughly 2% of them trucks, projected to reach 1,255 by 2042. The structure is 129 ft (39.2 m) long and 21 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesUS 50 Service RD
CrossesGunnison Rvr SR
LocationW. Side of Gunnison
RouteU.S. Route 50A
CountyGunnison County
StateColorado
Coordinates38.53256, -106.95256
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.4 US tons
Inventory rating25.4 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length129 ft (39.2 m)
Longest span125 ft (38.1 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deck13 ft (3.9 m)

Traffic and service

Average daily traffic1,082 (2022)
Projected traffic1,255 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$644,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 50 Service RD over Gunnison Rvr SR built?

It was built in 1926, making it 99 years old in 2025. It was reconstructed in 2012.

What condition is US 50 Service RD over Gunnison Rvr SR 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 January 2025.

How much traffic does US 50 Service RD over Gunnison Rvr SR carry?

About 1,082 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is US 50 Service RD over Gunnison Rvr SR?

The structure is 129 ft (39.2 m) long with a longest span of 125 ft (38.1 m) and a deck 21 ft wide.

Who owns US 50 Service RD over Gunnison Rvr SR?

It is owned by the State Highway Agency.