US Bridges

County Road 11 over Highline Canal

Fair

Sedgwick County, Colorado · 0.1 Mi. No. of Co. Rd. 30 · Structure no. SED11-30.1-11-A

Built
1986
39 years old
Condition
Fair
inspected November 2023
Type
Arch - Deck
Aluminum, Wrought Iron, or Cast Iron
Length
33 ft
1 main span
Daily traffic
13
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 11 over Highline Canal is a aluminum, wrought iron, or cast iron arch - deck carrying County Road 11 over Highline Canal in Sedgwick County, Colorado. It was built in 1986, so it is 39 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 13 vehicles a day, roughly 27% of them trucks, projected to reach 16 by 2042. The structure is 33 ft (10.1 m) long and 51 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesCounty Road 11
CrossesHighline Canal
Location0.1 Mi. No. of Co. Rd. 30
RouteCounty Highway 0
Coordinates40.95539, -102.55611
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 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 rating71.2 US tons
Inventory rating46.3 US tons

Structure

Structure typeArch - Deck
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length33 ft (10.1 m)
Longest span33 ft (10.1 m)
Deck width51 ft (15.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13 (2022)
Projected traffic16 by 2042
Trucks27%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 11 over Highline Canal built?

It was built in 1986, making it 39 years old in 2025.

What condition is County Road 11 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 11 over Highline Canal carry?

About 13 vehicles per day (2022 count), of which roughly 27% are trucks.

How long is County Road 11 over Highline Canal?

The structure is 33 ft (10.1 m) long with a longest span of 33 ft (10.1 m) and a deck 51 ft wide.

Who owns County Road 11 over Highline Canal?

It is owned by the County Highway Agency.