US Bridges

County Road 17 over Tributary of Sand Arroyo

Fair

Baca County, Colorado · Just N of CR R · Structure no. BA17-17-14.2-44

Built
1975
50 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
6
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 17 over Tributary of Sand Arroyo is a steel stringer/multi-beam or girder carrying County Road 17 over Tributary of Sand Arroyo in Baca 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 6 vehicles a day, projected to reach 7 by 2042. The structure is 29 ft (8.9 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCounty Road 17
CrossesTributary of Sand Arroyo
LocationJust N of CR R
RouteCounty Highway 0
Coordinates37.20713, -102.77814
Functional classRural Minor Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.1 US tons
Inventory rating25.2 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length29 ft (8.9 m)
Longest span26 ft (7.9 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6 (2022)
Projected traffic7 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 17 over Tributary of Sand Arroyo built?

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

What condition is County Road 17 over Tributary of Sand Arroyo 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 April 2024.

How much traffic does County Road 17 over Tributary of Sand Arroyo carry?

About 6 vehicles per day (2022 count).

How long is County Road 17 over Tributary of Sand Arroyo?

The structure is 29 ft (8.9 m) long with a longest span of 26 ft (7.9 m) and a deck 26 ft wide.

Who owns County Road 17 over Tributary of Sand Arroyo?

It is owned by the County Highway Agency.