US Bridges

N. Pagosa Blvd. over Reservoir Spillway

Fair

Archuleta County, Colorado · Pagosa Lakes Subdivision · Structure no. AR-N.PAGOSA.BLV

Built
1975
50 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
61 ft
1 main span
Daily traffic
1,959
2022 count
Owner
County
County Highway Agency

About this bridge

N. Pagosa Blvd. over Reservoir Spillway is a steel stringer/multi-beam or girder carrying N. Pagosa Blvd. over Reservoir Spillway in Archuleta County, Colorado. It was built in 1975, so it is 50 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 1,959 vehicles a day, roughly 5% of them trucks, projected to reach 2,311 by 2042. The structure is 61 ft (18.6 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesN. Pagosa Blvd.
CrossesReservoir Spillway
LocationPagosa Lakes Subdivision
RouteCounty Highway 0
Coordinates37.25991, -107.09419
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 alignment7: Better than present minimum criteria
Operating rating62.7 US tons
Inventory rating37.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length61 ft (18.6 m)
Longest span57 ft (17.5 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,959 (2022)
Projected traffic2,311 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 N. Pagosa Blvd. over Reservoir Spillway built?

It was built in 1975, making it 50 years old in 2025.

What condition is N. Pagosa Blvd. over Reservoir Spillway 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 2024.

How much traffic does N. Pagosa Blvd. over Reservoir Spillway carry?

About 1,959 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is N. Pagosa Blvd. over Reservoir Spillway?

The structure is 61 ft (18.6 m) long with a longest span of 57 ft (17.5 m) and a deck 34 ft wide.

Who owns N. Pagosa Blvd. over Reservoir Spillway?

It is owned by the County Highway Agency.