US Bridges

County Road 166 over Running Creek

Poor

Elbert County, Colorado · 1.3 MI W of County RD 13 · Structure no. ELBT-166-1.3-01

Built
1978
47 years old
Condition
Poor
inspected May 2023
Type
Tee Beam
Prestressed Concrete
Length
120 ft
2 main spans
Daily traffic
120
2020 count
Owner
County
County Highway Agency

About this bridge

County Road 166 over Running Creek is a prestressed concrete tee beam carrying County Road 166 over Running Creek in Elbert County, Colorado. It was built in 1978, so it is 47 years old, older than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 120 vehicles a day, projected to reach 151 by 2040. The structure is 120 ft (36.5 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCounty Road 166
CrossesRunning Creek
Location1.3 MI W of County RD 13
RouteCounty Highway 0
CountyElbert County
StateColorado
Coordinates39.463, -104.58164
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be 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 rating36 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length120 ft (36.5 m)
Longest span56 ft (17.1 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2020)
Projected traffic151 by 2040
Trucks0%
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 166 over Running Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is County Road 166 over Running Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2023.

How much traffic does County Road 166 over Running Creek carry?

About 120 vehicles per day (2020 count).

How long is County Road 166 over Running Creek?

The structure is 120 ft (36.5 m) long with a longest span of 56 ft (17.1 m) and a deck 32 ft wide.

Who owns County Road 166 over Running Creek?

It is owned by the County Highway Agency.