US Bridges

County Road 89 over Duck CR / Settlers Ditch

Good

Logan County, Colorado · 0.4 MI N of U.S. HWY 138 · Structure no. LOG89-62.4-260

Built
1995
30 years old
Condition
Good
inspected December 2023
Type
Tee Beam
Prestressed Concrete
Length
34 ft
1 main span
Daily traffic
43
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 89 over Duck CR / Settlers Ditch is a prestressed concrete tee beam carrying County Road 89 over Duck CR / Settlers Ditch 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 43 vehicles a day, roughly 64% of them trucks, projected to reach 53 by 2042. The structure is 34 ft (10.5 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCounty Road 89
CrossesDuck CR / Settlers Ditch
Location0.4 MI N of U.S. HWY 138
RouteCounty Highway 0
Coordinates40.88396, -102.72874
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.9 US tons
Inventory rating37.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length34 ft (10.5 m)
Longest span30 ft (9 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic43 (2022)
Projected traffic53 by 2042
Trucks64%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 89 over Duck CR / Settlers Ditch built?

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

What condition is County Road 89 over Duck CR / Settlers Ditch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does County Road 89 over Duck CR / Settlers Ditch carry?

About 43 vehicles per day (2022 count), of which roughly 64% are trucks.

How long is County Road 89 over Duck CR / Settlers Ditch?

The structure is 34 ft (10.5 m) long with a longest span of 30 ft (9 m) and a deck 35 ft wide.

Who owns County Road 89 over Duck CR / Settlers Ditch?

It is owned by the County Highway Agency.