US Bridges

County Highway over Silver Creek

Good

Merrick County, Nebraska · 1.8W 3N Central City · Structure no. C006103420

Built
1984
41 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
48 ft
4 main spans
Daily traffic
150
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 Merrick County, Nebraska. It was built in 1984, so it is 41 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 150 vehicles a day, roughly 10% of them trucks, projected to reach 255 by 2033. The structure is 48 ft (14.6 m) long. If it were closed, the detour would be 31.1 mi (50 km).

CarriesCounty Highway
CrossesSilver Creek
Location1.8W 3N Central City
RouteCounty Highway 34
Coordinates41.1617, -98.0367
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 protection9 ExcellentNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadUnknown
Structure length48 ft (14.6 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2003)
Projected traffic255 by 2033
Trucks10%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Silver Creek built?

It was built in 1984, making it 41 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 October 2023.

How much traffic does County Highway over Silver Creek carry?

About 150 vehicles per day (2003 count), of which roughly 10% are trucks.

How long is County Highway over Silver Creek?

The structure is 48 ft (14.6 m) long with a longest span of 10 ft (3 m).

Who owns County Highway over Silver Creek?

It is owned by the County Highway Agency.