US Bridges

County Road 12 over Prairie Creek

Good

Merrick County, Nebraska · 3.5W 7N Central City · Structure no. C006112310

Built
1962
63 years old, rebuilt 2022
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
78 ft
2 main spans
Daily traffic
15
2003 count
Owner
County
County Highway Agency

About this bridge

County Road 12 over Prairie Creek is a steel stringer/multi-beam or girder carrying County Road 12 over Prairie Creek in Merrick County, Nebraska. It was built in 1962 and reconstructed in 2022, so it is 63 years old, older than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 15 vehicles a day, projected to reach 25 by 2033. The structure is 78 ft (23.8 m) long and 29 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Location

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CarriesCounty Road 12
CrossesPrairie Creek
Location3.5W 7N Central City
RouteCounty Highway 123
CountyMerrick County
StateNebraska
Coordinates41.2233, -98.0783
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo 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 evaluation9: Superior to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.2 US tons
Inventory rating51.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length78 ft (23.8 m)
Longest span39 ft (11.9 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2003)
Projected traffic25 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 12 over Prairie Creek built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2022.

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

About 15 vehicles per day (2003 count).

How long is County Road 12 over Prairie Creek?

The structure is 78 ft (23.8 m) long with a longest span of 39 ft (11.9 m) and a deck 29 ft wide.

Who owns County Road 12 over Prairie Creek?

It is owned by the County Highway Agency.