US Bridges

County Road 162 over Chalk Creek

Fair

Chaffee County, Colorado · 200 Ft W of Chalk Lake Cg · Structure no. CHA162-12.00

Built
1970
55 years old
Condition
Fair
inspected March 2024
Type
Arch - Deck
Steel
Length
26 ft
1 main span
Daily traffic
460
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 162 over Chalk Creek is a steel arch - deck carrying County Road 162 over Chalk Creek in Chaffee County, Colorado. It was built in 1970, so it is 55 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 460 vehicles a day, roughly 2% of them trucks, projected to reach 562 by 2042. The structure is 26 ft (7.8 m) long and 47 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesCounty Road 162
CrossesChalk Creek
Location200 Ft W of Chalk Lake Cg
RouteCounty Highway 0
CountyChaffee County
StateColorado
Coordinates38.71267, -106.23467
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
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeArch - Deck
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20
Structure length26 ft (7.8 m)
Longest span26 ft (7.8 m)
Deck width47 ft (14.3 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic460 (2022)
Projected traffic562 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 162 over Chalk Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is County Road 162 over Chalk 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 March 2024.

How much traffic does County Road 162 over Chalk Creek carry?

About 460 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Road 162 over Chalk Creek?

The structure is 26 ft (7.8 m) long with a longest span of 26 ft (7.8 m) and a deck 47 ft wide.

Who owns County Road 162 over Chalk Creek?

It is owned by the County Highway Agency.