US Bridges

Canyon Glen RD over Glen Canyon

Fair

Los Alamos County, New Mexico · Jct. Arkansas/Glen Canyon · Structure no. 000000000009621

Built
1999
26 years old
Condition
Fair
inspected November 2022
Type
Girder and Floorbeam System
Steel
Length
100 ft
1 main span
Daily traffic
477
2023 count
Owner
County
County Highway Agency

About this bridge

Canyon Glen RD over Glen Canyon is a steel girder and floorbeam system carrying Canyon Glen RD over Glen Canyon in Los Alamos County, New Mexico. It was built in 1999, so it is 26 years old, younger than the New Mexico average of 51.5 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 477 vehicles a day, projected to reach 648 by 2043. The structure is 100 ft (30.5 m) long and 27 ft wide. If it were closed, the detour would be 100 mi (161 km).

Location

Open in Google Maps
CarriesCanyon Glen RD
CrossesGlen Canyon
LocationJct. Arkansas/Glen Canyon
RouteCounty Highway 28000
CountyLos Alamos County
StateNew Mexico
Coordinates35.90128, -106.32372
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2022
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.4 US tons
Inventory rating36 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length100 ft (30.5 m)
Longest span100 ft (30.5 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic477 (2023)
Projected traffic648 by 2043
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$500,000 (2070 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Canyon Glen RD over Glen Canyon built?

It was built in 1999, making it 26 years old in 2025.

What condition is Canyon Glen RD over Glen Canyon 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 November 2022.

How much traffic does Canyon Glen RD over Glen Canyon carry?

About 477 vehicles per day (2023 count).

How long is Canyon Glen RD over Glen Canyon?

The structure is 100 ft (30.5 m) long with a longest span of 100 ft (30.5 m) and a deck 27 ft wide.

Who owns Canyon Glen RD over Glen Canyon?

It is owned by the County Highway Agency.