US Bridges

County Road 28 over Buffalo Creek

Fair

Jackson County, Colorado · 2 MI E of ST HWY 14 · Structure no. 57002802.10029

Built
1989
36 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
45
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 28 over Buffalo Creek is a steel stringer/multi-beam or girder carrying County Road 28 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 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 45 vehicles a day, roughly 9% of them trucks, projected to reach 58 by 2043. The structure is 24 ft (7.3 m) long and 30 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesCounty Road 28
CrossesBuffalo Creek
Location2 MI E of ST HWY 14
RouteCounty Highway 0
CountyJackson County
StateColorado
Coordinates40.52299, -106.36904
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60.6 US tons
Inventory rating36.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span20 ft (6.2 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2023)
Projected traffic58 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 28 over Buffalo Creek built?

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

What condition is County Road 28 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 28 over Buffalo Creek carry?

About 45 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is County Road 28 over Buffalo Creek?

The structure is 24 ft (7.3 m) long with a longest span of 20 ft (6.2 m) and a deck 30 ft wide.

Who owns County Road 28 over Buffalo Creek?

It is owned by the County Highway Agency.