US Bridges

County Road RR over Trib. of Two Buttes Crk

Fair

Baca County, Colorado · 2.2 MI E of CR 12 · Structure no. BASS-152-38-13A

Built
1950
75 years old, rebuilt 1992
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
28 ft
1 main span
Daily traffic
17
2022 count
Owner
County
County Highway Agency

About this bridge

County Road RR over Trib. of Two Buttes Crk is a steel stringer/multi-beam or girder carrying County Road RR over Trib. of Two Buttes Crk in Baca County, Colorado. It was built in 1950 and reconstructed in 1992, so it is 75 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 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 17 vehicles a day, projected to reach 22 by 2042. The structure is 28 ft (8.6 m) long and 24 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCounty Road RR
CrossesTrib. of Two Buttes Crk
Location2.2 MI E of CR 12
RouteCounty Highway 0
Coordinates37.55646, -102.81606
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.8 US tons
Inventory rating19.7 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length28 ft (8.6 m)
Longest span26 ft (7.8 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17 (2022)
Projected traffic22 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road RR over Trib. of Two Buttes Crk built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1992.

What condition is County Road RR over Trib. of Two Buttes Crk 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 RR over Trib. of Two Buttes Crk carry?

About 17 vehicles per day (2022 count).

How long is County Road RR over Trib. of Two Buttes Crk?

The structure is 28 ft (8.6 m) long with a longest span of 26 ft (7.8 m) and a deck 24 ft wide.

Who owns County Road RR over Trib. of Two Buttes Crk?

It is owned by the County Highway Agency.