US Bridges

County Highway over Silver Creek

Good

Johnson County, Nebraska · 1.3S 6W of Cook · Structure no. C004912130

Built
2024
1 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
46 ft
3 main spans
Daily traffic
30
2003 count
Owner
County
County Highway Agency

About this bridge

County Highway over Silver Creek is a concrete culvert carrying County Highway over Silver Creek in Johnson County, Nebraska. It was built in 2024, so it is 1 years old, younger 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 30 vehicles a day, projected to reach 51 by 2033. The structure is 46 ft (13.9 m) long. If it were closed, the detour would be 18.6 mi (30 km).

Location

Open in Google Maps
CarriesCounty Highway
CrossesSilver Creek
Location1.3S 6W of Cook
RouteCounty Highway 121
CountyJohnson County
StateNebraska
Coordinates40.4882, -96.2744
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
Channel and channel protection7 GoodSome minor problems.
Culvert9 ExcellentNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.5 US tons
Inventory rating29.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length46 ft (13.9 m)
Longest span15 ft (4.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2003)
Projected traffic51 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 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 Highway over Silver Creek built?

It was built in 2024, making it 1 years old in 2025.

What condition is County Highway over Silver 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 July 2023.

How much traffic does County Highway over Silver Creek carry?

About 30 vehicles per day (2003 count).

How long is County Highway over Silver Creek?

The structure is 46 ft (13.9 m) long with a longest span of 15 ft (4.5 m).

Who owns County Highway over Silver Creek?

It is owned by the County Highway Agency.