US Bridges

SH 59 Ml over Peterson Canal

Good

Sedgwick County, Colorado · 2.2 MI North of JCT I-76 · Structure no. A-26-AZ

Built
2008
17 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
21 ft
1 main span
Daily traffic
560
2020 count
Owner
State
State Highway Agency

About this bridge

SH 59 Ml over Peterson Canal is a concrete culvert carrying SH 59 Ml over Peterson Canal in Sedgwick County, Colorado. It was built in 2008, so it is 17 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 560 vehicles a day, roughly 12% of them trucks, projected to reach 650 by 2040. The structure is 21 ft (6.3 m) long and 66 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesSH 59 Ml
CrossesPeterson Canal
Location2.2 MI North of JCT I-76
RouteState Highway 59B
Coordinates40.934, -102.5175
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating106.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length21 ft (6.3 m)
Longest span21 ft (6.3 m)
Deck width66 ft (20 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic560 (2020)
Projected traffic650 by 2040
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SH 59 Ml over Peterson Canal built?

It was built in 2008, making it 17 years old in 2025.

What condition is SH 59 Ml over Peterson 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 June 2023.

How much traffic does SH 59 Ml over Peterson Canal carry?

About 560 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is SH 59 Ml over Peterson Canal?

The structure is 21 ft (6.3 m) long with a longest span of 21 ft (6.3 m) and a deck 66 ft wide.

Who owns SH 59 Ml over Peterson Canal?

It is owned by the State Highway Agency.