US Bridges

County Road 12 over Two Buttes Creek

Fair

Baca County, Colorado · 0.9 MI N of CR RR · Structure no. BA13-13-38.8-15

Built
1979
46 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
58 ft
1 main span
Daily traffic
24
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 12 over Two Buttes Creek is a steel stringer/multi-beam or girder carrying County Road 12 over Two Buttes Creek in Baca County, Colorado. It was built in 1979, so it is 46 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 24 vehicles a day, projected to reach 30 by 2042. The structure is 58 ft (17.8 m) long and 28 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesCounty Road 12
CrossesTwo Buttes Creek
Location0.9 MI N of CR RR
RouteCounty Highway 0
Coordinates37.5703, -102.85646
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
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 evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating43.2 US tons
Inventory rating25.8 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length58 ft (17.8 m)
Longest span56 ft (17.1 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2022)
Projected traffic30 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 12 over Two Buttes Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is County Road 12 over Two Buttes Creek 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 12 over Two Buttes Creek carry?

About 24 vehicles per day (2022 count).

How long is County Road 12 over Two Buttes Creek?

The structure is 58 ft (17.8 m) long with a longest span of 56 ft (17.1 m) and a deck 28 ft wide.

Who owns County Road 12 over Two Buttes Creek?

It is owned by the County Highway Agency.