US Bridges

County Road 48 over N. Sterling Outlet Canal

Poor

Logan County, Colorado · 0.8 MI E of CO RD 37 · Structure no. LOG48-37.8-124A

Built
1985
40 years old
Condition
Poor
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
51 ft
1 main span
Daily traffic
43
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 48 over N. Sterling Outlet Canal is a steel stringer/multi-beam or girder carrying County Road 48 over N. Sterling Outlet Canal in Logan County, Colorado. It was built in 1985, so it is 40 years old, younger 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 43 vehicles a day, roughly 32% of them trucks, projected to reach 53 by 2042. The structure is 51 ft (15.5 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Road 48
CrossesN. Sterling Outlet Canal
Location0.8 MI E of CO RD 37
RouteCounty Highway 0
CountyLogan County
StateColorado
Coordinates40.77528, -103.21333
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating36.6 US tons
Inventory rating21.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length51 ft (15.5 m)
Longest span48 ft (14.7 m)
Deck width27 ft (8.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic43 (2023)
Projected traffic53 by 2042
Trucks32%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 48 over N. Sterling Outlet Canal built?

It was built in 1985, making it 40 years old in 2025.

What condition is County Road 48 over N. Sterling Outlet 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 2024.

How much traffic does County Road 48 over N. Sterling Outlet Canal carry?

About 43 vehicles per day (2023 count), of which roughly 32% are trucks.

How long is County Road 48 over N. Sterling Outlet Canal?

The structure is 51 ft (15.5 m) long with a longest span of 48 ft (14.7 m) and a deck 27 ft wide.

Who owns County Road 48 over N. Sterling Outlet Canal?

It is owned by the County Highway Agency.