US Bridges

County Road 10 over Plum Creek

FairPosted for load

Baca County, Colorado · 1.9 MI N of CR Ff · Structure no. BA11-11-30-6

Built
1950
75 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
94 ft
4 main spans
Daily traffic
53
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 10 over Plum Creek is a wood or timber stringer/multi-beam or girder carrying County Road 10 over Plum Creek in Baca County, Colorado. It was built in 1950, 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 53 vehicles a day, projected to reach 67 by 2042. The structure is 94 ft (28.7 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCounty Road 10
CrossesPlum Creek
Location1.9 MI N of CR Ff
RouteCounty Highway 0
Coordinates37.43993, -102.89266
Functional classRural Major 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.8 US tons
Inventory rating19 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadUnknown
Structure length94 ft (28.7 m)
Longest span22 ft (6.8 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic53 (2022)
Projected traffic67 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 10 over Plum Creek built?

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

What condition is County Road 10 over Plum 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 10 over Plum Creek carry?

About 53 vehicles per day (2022 count).

How long is County Road 10 over Plum Creek?

The structure is 94 ft (28.7 m) long with a longest span of 22 ft (6.8 m) and a deck 26 ft wide.

Who owns County Road 10 over Plum Creek?

It is owned by the County Highway Agency.