US Bridges

County Road 12 over Sand Creek

Fair

Sedgwick County, Colorado · 0.6 MI E of Co. Rd. 39 · Structure no. SED12-39.6-12

Built
1969
56 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
86
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 12 over Sand Creek is a steel stringer/multi-beam or girder carrying County Road 12 over Sand Creek in Sedgwick County, Colorado. It was built in 1969, so it is 56 years old, older 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 5 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 86 vehicles a day, roughly 40% of them trucks, projected to reach 102 by 2042. The structure is 24 ft (7.3 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesCounty Road 12
CrossesSand Creek
Location0.6 MI E of Co. Rd. 39
RouteCounty Highway 0
CountySedgwick County
StateColorado
Coordinates40.82211, -102.27353
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23.1 US tons
Inventory rating17.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span22 ft (6.6 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic86 (2023)
Projected traffic102 by 2042
Trucks40%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 12 over Sand Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is County Road 12 over Sand Creek 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 12 over Sand Creek carry?

About 86 vehicles per day (2023 count), of which roughly 40% are trucks.

How long is County Road 12 over Sand Creek?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.6 m) and a deck 26 ft wide.

Who owns County Road 12 over Sand Creek?

It is owned by the County Highway Agency.