US Bridges

Doyan Avenue over Pine Ridge Gulch

Fair

Moffat County, Colorado · 30 Ft S of First Street · Structure no. CRAIG-DOYAN

Built
1983
42 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Prestressed Concrete
Length
55 ft
2 main spans
Daily traffic
1,331
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Doyan Avenue over Pine Ridge Gulch is a prestressed concrete tee beam carrying Doyan Avenue over Pine Ridge Gulch in Moffat County, Colorado. It was built in 1983, so it is 42 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 1,331 vehicles a day, roughly 36% of them trucks, projected to reach 1,557 by 2042. The structure is 55 ft (16.7 m) long and 36 ft wide. If it were closed, the detour would be 100 mi (161 km).

CarriesDoyan Avenue
CrossesPine Ridge Gulch
Location30 Ft S of First Street
RouteCity Street 0
Coordinates40.50671, -107.57336
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
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 within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
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 rating57.7 US tons
Inventory rating35.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans2
Design loadHS 20
Structure length55 ft (16.7 m)
Longest span26 ft (7.8 m)
Deck width36 ft (11 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,331 (2023)
Projected traffic1,557 by 2042
Trucks36%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed100 mi (161 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Doyan Avenue over Pine Ridge Gulch built?

It was built in 1983, making it 42 years old in 2025.

What condition is Doyan Avenue over Pine Ridge Gulch 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 Doyan Avenue over Pine Ridge Gulch carry?

About 1,331 vehicles per day (2023 count), of which roughly 36% are trucks.

How long is Doyan Avenue over Pine Ridge Gulch?

The structure is 55 ft (16.7 m) long with a longest span of 26 ft (7.8 m) and a deck 36 ft wide.

Who owns Doyan Avenue over Pine Ridge Gulch?

It is owned by the City or Municipal Highway Agency.