US Bridges

County Road 102 over San Luis Valley Canal

Good

Alamosa County, Colorado · .1 MI S of CR 1 MI Lane · Structure no. 003010215.9009A

Built
1993
32 years old
Condition
Good
inspected March 2025
Type
Slab
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
33
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 102 over San Luis Valley Canal is a prestressed concrete slab carrying County Road 102 over San Luis Valley Canal in Alamosa County, Colorado. It was built in 1993, so it is 32 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 33 vehicles a day, projected to reach 40 by 2042. The structure is 50 ft (15.2 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCounty Road 102
CrossesSan Luis Valley Canal
Location.1 MI S of CR 1 MI Lane
RouteCounty Highway 0
Coordinates37.58707, -106.00232
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating35.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span46 ft (13.9 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33 (2022)
Projected traffic40 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 County Road 102 over San Luis Valley Canal built?

It was built in 1993, making it 32 years old in 2025.

What condition is County Road 102 over San Luis Valley Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2025.

How much traffic does County Road 102 over San Luis Valley Canal carry?

About 33 vehicles per day (2022 count).

How long is County Road 102 over San Luis Valley Canal?

The structure is 50 ft (15.2 m) long with a longest span of 46 ft (13.9 m) and a deck 33 ft wide.

Who owns County Road 102 over San Luis Valley Canal?

It is owned by the County Highway Agency.