US Bridges

County Road 31 over Peterson Ditch

Good

Sedgwick County, Colorado · 0.6 Mi. No. of Co. Rd. 32 · Structure no. SED31-32.6-36-A

Built
1999
26 years old
Condition
Good
inspected November 2023
Type
Tee Beam
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
21
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 31 over Peterson Ditch is a prestressed concrete tee beam carrying County Road 31 over Peterson Ditch 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 21 vehicles a day, roughly 32% of them trucks, projected to reach 25 by 2042. The structure is 26 ft (7.9 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCounty Road 31
CrossesPeterson Ditch
Location0.6 Mi. No. of Co. Rd. 32
RouteCounty Highway 0
CountySedgwick County
StateColorado
Coordinates40.97769, -102.36408
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.
Substructure8 Very GoodNo problems noted.
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95 US tons
Inventory rating57 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span22 ft (6.7 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21 (2022)
Projected traffic25 by 2042
Trucks32%
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 31 over Peterson Ditch built?

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

What condition is County Road 31 over Peterson 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 November 2023.

How much traffic does County Road 31 over Peterson Ditch carry?

About 21 vehicles per day (2022 count), of which roughly 32% are trucks.

How long is County Road 31 over Peterson Ditch?

The structure is 26 ft (7.9 m) long with a longest span of 22 ft (6.7 m) and a deck 34 ft wide.

Who owns County Road 31 over Peterson Ditch?

It is owned by the County Highway Agency.