US Bridges

County Road 26 over N. Sterling Inlet Canal

PoorPosted for load

Logan County, Colorado · 0.1 Mile East of County R · Structure no. LOG26-29.0-60

Built
1940
85 years old
Condition
Poor
inspected January 2025
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
31 ft
1 main span
Daily traffic
73
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 26 over N. Sterling Inlet Canal is a wood or timber stringer/multi-beam or girder carrying County Road 26 over N. Sterling Inlet Canal in Logan County, Colorado. It was built in 1940, 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 poor condition with a lowest component rating of 3 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. Its operating status is: posted for load restriction.

It carries about 73 vehicles a day, roughly 52% of them trucks, projected to reach 89 by 2043. The structure is 31 ft (9.4 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road 26
CrossesN. Sterling Inlet Canal
Location0.1 Mile East of County R
RouteCounty Highway 0
Coordinates40.60953, -103.31816
Functional classRural Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 6 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating10 US tons
Inventory rating9.9 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic73 (2023)
Projected traffic89 by 2043
Trucks52%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$752,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 26 over N. Sterling Inlet Canal built?

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

What condition is County Road 26 over N. Sterling Inlet Canal 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 January 2025.

How much traffic does County Road 26 over N. Sterling Inlet Canal carry?

About 73 vehicles per day (2023 count), of which roughly 52% are trucks.

How long is County Road 26 over N. Sterling Inlet Canal?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 20 ft wide.

Who owns County Road 26 over N. Sterling Inlet Canal?

It is owned by the County Highway Agency.