US Bridges

County Road 33 over N. Sterling Inlet Canal

Fair

Logan County, Colorado · 0.9 MI N of CO RD44 · Structure no. LOG33-44.8-73-A

Built
1995
30 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
100 ft
1 main span
Daily traffic
119
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 33 over N. Sterling Inlet Canal is a prestressed concrete stringer/multi-beam or girder carrying County Road 33 over N. Sterling Inlet Canal in Logan County, Colorado. It was built in 1995, so it is 30 years old, younger 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 119 vehicles a day, roughly 60% of them trucks, projected to reach 147 by 2042. The structure is 100 ft (30.4 m) long and 34 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesCounty Road 33
CrossesN. Sterling Inlet Canal
Location0.9 MI N of CO RD44
RouteCounty Highway 0
Coordinates40.75925, -103.2673
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.1 US tons
Inventory rating28.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length100 ft (30.4 m)
Longest span95 ft (28.9 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic119 (2023)
Projected traffic147 by 2042
Trucks60%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 33 over N. Sterling Inlet Canal built?

It was built in 1995, making it 30 years old in 2025.

What condition is County Road 33 over N. Sterling Inlet 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 January 2024.

How much traffic does County Road 33 over N. Sterling Inlet Canal carry?

About 119 vehicles per day (2023 count), of which roughly 60% are trucks.

How long is County Road 33 over N. Sterling Inlet Canal?

The structure is 100 ft (30.4 m) long with a longest span of 95 ft (28.9 m) and a deck 34 ft wide.

Who owns County Road 33 over N. Sterling Inlet Canal?

It is owned by the County Highway Agency.