US Bridges

US 50 Ml Wbnd over Gunnison River

Fair

Delta County, Colorado · North Edge of Delta · Structure no. I-04-N

Built
1992
33 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
330 ft
3 main spans
Daily traffic
6,500
2020 count
Owner
State
State Highway Agency

About this bridge

US 50 Ml Wbnd over Gunnison River is a steel continuous stringer/multi-beam or girder carrying US 50 Ml Wbnd over Gunnison River in Delta County, Colorado. It was built in 1992, so it is 33 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 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 6,500 vehicles a day, roughly 6% of them trucks, projected to reach 6,760 by 2040. The structure is 330 ft (100.7 m) long and 47 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 50 Ml Wbnd
CrossesGunnison River
LocationNorth Edge of Delta
RouteU.S. Route 50A
Coordinates38.75019, -108.06926
Functional classUrban Other Principal Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.4 US tons
Inventory rating35.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length330 ft (100.7 m)
Longest span166 ft (50.6 m)
Deck width47 ft (14.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,500 (2020)
Projected traffic6,760 by 2040
Trucks6%
Lanes on structure2
Traffic directionOne-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 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 US 50 Ml Wbnd over Gunnison River built?

It was built in 1992, making it 33 years old in 2025.

What condition is US 50 Ml Wbnd over Gunnison 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 April 2024.

How much traffic does US 50 Ml Wbnd over Gunnison River carry?

About 6,500 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is US 50 Ml Wbnd over Gunnison River?

The structure is 330 ft (100.7 m) long with a longest span of 166 ft (50.6 m) and a deck 47 ft wide.

Who owns US 50 Ml Wbnd over Gunnison River?

It is owned by the State Highway Agency.