US Bridges

County Road 9 over Highline Canal

Fair

Sedgwick County, Colorado · 0.3 Mi. No. of Co. Rd. 28 · Structure no. SED9-28.3-7-A

Built
1987
38 years old
Condition
Fair
inspected November 2023
Type
Arch - Deck
Aluminum, Wrought Iron, or Cast Iron
Length
31 ft
1 main span
Daily traffic
16
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 9 over Highline Canal is a aluminum, wrought iron, or cast iron arch - deck carrying County Road 9 over Highline Canal in Sedgwick County, Colorado. It was built in 1987, so it is 38 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 16 vehicles a day, roughly 52% of them trucks, projected to reach 19 by 2042. The structure is 31 ft (9.3 m) long and 59 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCounty Road 9
CrossesHighline Canal
Location0.3 Mi. No. of Co. Rd. 28
RouteCounty Highway 0
CountySedgwick County
StateColorado
Coordinates40.94478, -102.57528
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
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.8 US tons
Inventory rating39.6 US tons

Structure

Structure typeArch - Deck
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length31 ft (9.3 m)
Longest span31 ft (9.3 m)
Deck width59 ft (18 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16 (2023)
Projected traffic19 by 2042
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 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 1987, making it 38 years old in 2025.

What condition is County Road 9 over Highline 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 November 2023.

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

About 16 vehicles per day (2023 count), of which roughly 52% are trucks.

How long is County Road 9 over Highline Canal?

The structure is 31 ft (9.3 m) long with a longest span of 31 ft (9.3 m) and a deck 59 ft wide.

Who owns County Road 9 over Highline Canal?

It is owned by the County Highway Agency.