US Bridges

CO RD 10 over Gunnison River

Poor

Gunnison County, Colorado · 5.5 MI NE of Gunnison · Structure no. GUN010-01.20

Built
1973
52 years old
Condition
Poor
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
148 ft
3 main spans
Daily traffic
211
2022 count
Owner
County
County Highway Agency

About this bridge

CO RD 10 over Gunnison River is a steel continuous stringer/multi-beam or girder carrying CO RD 10 over Gunnison River in Gunnison County, Colorado. It was built in 1973, so it is 52 years old, older than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: open, posting recommended but not legally implemented.

It carries about 211 vehicles a day, roughly 2% of them trucks, projected to reach 245 by 2042. The structure is 148 ft (45 m) long and 24 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesCO RD 10
CrossesGunnison River
Location5.5 MI NE of Gunnison
RouteCounty Highway 0
Coordinates38.61039, -106.88578
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, posting recommended but not legally implemented
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
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 rating16.8 US tons
Inventory rating10.1 US tons

Structure

MaterialSteel Continuous
DeckCorrugated steel
Main spans3
Design loadUnknown
Structure length148 ft (45 m)
Longest span49 ft (15 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic211 (2022)
Projected traffic245 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 CO RD 10 over Gunnison River built?

It was built in 1973, making it 52 years old in 2025.

What condition is CO RD 10 over Gunnison River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does CO RD 10 over Gunnison River carry?

About 211 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is CO RD 10 over Gunnison River?

The structure is 148 ft (45 m) long with a longest span of 49 ft (15 m) and a deck 24 ft wide.

Who owns CO RD 10 over Gunnison River?

It is owned by the County Highway Agency.