US Bridges

County Road 34 over Buffalo Creek

Fair

Jackson County, Colorado · 0.8 MI E of ST HWY 14 · Structure no. 057003400.8019A

Built
1989
36 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
38 ft
3 main spans
Daily traffic
46
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 34 over Buffalo Creek is a steel continuous stringer/multi-beam or girder carrying County Road 34 over Buffalo Creek in Jackson County, Colorado. It was built in 1989, so it is 36 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 46 vehicles a day, roughly 13% of them trucks, projected to reach 60 by 2043. The structure is 38 ft (11.5 m) long and 30 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesCounty Road 34
CrossesBuffalo Creek
Location0.8 MI E of ST HWY 14
RouteCounty Highway 0
CountyJackson County
StateColorado
Coordinates40.54665, -106.38808
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.2 US tons
Inventory rating29.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckCorrugated steel
Main spans3
Design loadHS 20
Structure length38 ft (11.5 m)
Longest span30 ft (9.2 m)
Deck width30 ft (9.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46 (2023)
Projected traffic60 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 34 over Buffalo Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is County Road 34 over Buffalo 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 November 2024.

How much traffic does County Road 34 over Buffalo Creek carry?

About 46 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is County Road 34 over Buffalo Creek?

The structure is 38 ft (11.5 m) long with a longest span of 30 ft (9.2 m) and a deck 30 ft wide.

Who owns County Road 34 over Buffalo Creek?

It is owned by the County Highway Agency.