US Bridges

County Road 9 over Highline Canal

Good

Sedgwick County, Colorado · 0.1 Mi. N. of Co. Rd. 30 · Structure no. SED9-30.1-9-A

Built
1999
26 years old
Condition
Good
inspected November 2023
Type
Tee Beam
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
14
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 9 over Highline Canal is a prestressed concrete tee beam carrying County Road 9 over Highline Canal in Sedgwick County, Colorado. It was built in 1999, so it is 26 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 14 vehicles a day, roughly 38% of them trucks, projected to reach 16 by 2042. The structure is 32 ft (9.8 m) long and 34 ft wide. If it were closed, the detour would be 100 mi (161 km).

Location

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CarriesCounty Road 9
CrossesHighline Canal
Location0.1 Mi. N. of Co. Rd. 30
RouteCounty Highway 0
CountySedgwick County
StateColorado
Coordinates40.95472, -102.57528
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 protection7 GoodSome minor problems.
Last inspectionNovember 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 rating90.1 US tons
Inventory rating54 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span28 ft (8.5 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14 (2022)
Projected traffic16 by 2042
Trucks38%
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 9 over Highline Canal built?

It was built in 1999, making it 26 years old in 2025.

What condition is County Road 9 over Highline Canal 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 November 2023.

How much traffic does County Road 9 over Highline Canal carry?

About 14 vehicles per day (2022 count), of which roughly 38% are trucks.

How long is County Road 9 over Highline Canal?

The structure is 32 ft (9.8 m) long with a longest span of 28 ft (8.5 m) and a deck 34 ft wide.

Who owns County Road 9 over Highline Canal?

It is owned by the County Highway Agency.