US Bridges

County Road 67.9 over N. Sterling Outlet Canal

Fair

Logan County, Colorado · 0.4 MI N of CO RD 66 · Structure no. LOG67.966.4187A

Built
1940
85 years old, rebuilt 1991
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
39 ft
2 main spans
Daily traffic
—
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 67.9 over N. Sterling Outlet Canal is a wood or timber stringer/multi-beam or girder carrying County Road 67.9 over N. Sterling Outlet Canal in Logan County, Colorado. It was built in 1940 and reconstructed in 1991, so it is 85 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.

No traffic count is recorded. The structure is 39 ft (11.9 m) long and 18 ft wide. If it were closed, the detour would be 100 mi (161 km).

CarriesCounty Road 67.9
CrossesN. Sterling Outlet Canal
Location0.4 MI N of CO RD 66
RouteCounty Highway 0
Coordinates40.9132, -102.92463
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50.2 US tons
Inventory rating37.5 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span18 ft (5.5 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic—
Projected traffic—
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 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 67.9 over N. Sterling Outlet Canal built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1991.

What condition is County Road 67.9 over N. Sterling Outlet Canal 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 67.9 over N. Sterling Outlet Canal carry?

No traffic count is recorded for this structure.

How long is County Road 67.9 over N. Sterling Outlet Canal?

The structure is 39 ft (11.9 m) long with a longest span of 18 ft (5.5 m) and a deck 18 ft wide.

Who owns County Road 67.9 over N. Sterling Outlet Canal?

It is owned by the County Highway Agency.