US Bridges

County Road 4 over Buffalo Creek

Fair

Kit Carson County, Colorado · 0.2 Miles South of Road a · Structure no. KITC-04-4.80A02

Built
1982
43 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
65 ft
1 main span
Daily traffic
191
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 4 over Buffalo Creek is a steel stringer/multi-beam or girder carrying County Road 4 over Buffalo Creek in Kit Carson County, Colorado. It was built in 1982, so it is 43 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.

It carries about 191 vehicles a day, roughly 2% of them trucks, projected to reach 221 by 2042. The structure is 65 ft (19.8 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCounty Road 4
CrossesBuffalo Creek
Location0.2 Miles South of Road a
RouteCounty Highway 0
CountyKit Carson County
StateColorado
Coordinates39.3713, -103.08025
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 protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.6 US tons
Inventory rating23.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span63 ft (19.3 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic191 (2022)
Projected traffic221 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 4 over Buffalo Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is County Road 4 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 December 2023.

How much traffic does County Road 4 over Buffalo Creek carry?

About 191 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Road 4 over Buffalo Creek?

The structure is 65 ft (19.8 m) long with a longest span of 63 ft (19.3 m) and a deck 28 ft wide.

Who owns County Road 4 over Buffalo Creek?

It is owned by the County Highway Agency.