US Bridges

Railroad St. over Garland Ditch

Fair

Costilla County, Colorado · In Blanca · Structure no. BLANCA-1A

Built
1992
33 years old
Condition
Fair
inspected March 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
64 ft
1 main span
Daily traffic
26
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Railroad St. over Garland Ditch is a steel stringer/multi-beam or girder carrying Railroad St. over Garland Ditch in Costilla County, Colorado. It was built in 1992, so it is 33 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 26 vehicles a day, projected to reach 29 by 2042. The structure is 64 ft (19.4 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRailroad St.
CrossesGarland Ditch
LocationIn Blanca
RouteCity Street 0
CountyCostilla County
StateColorado
Coordinates37.43334, -105.50774
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating75.9 US tons
Inventory rating45.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length64 ft (19.4 m)
Longest span58 ft (17.8 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2022)
Projected traffic29 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Railroad St. over Garland Ditch built?

It was built in 1992, making it 33 years old in 2025.

What condition is Railroad St. over Garland Ditch 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 March 2025.

How much traffic does Railroad St. over Garland Ditch carry?

About 26 vehicles per day (2022 count).

How long is Railroad St. over Garland Ditch?

The structure is 64 ft (19.4 m) long with a longest span of 58 ft (17.8 m) and a deck 32 ft wide.

Who owns Railroad St. over Garland Ditch?

It is owned by the Town or Township Highway Agency.