US Bridges

N79 over Silver Creek

Good

Dodge County, Nebraska · 7S Snyder · Structure no. S079 05257

Built
1970
55 years old, rebuilt 1996
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
1,010
2018 count
Owner
State
State Highway Agency

About this bridge

N79 over Silver Creek is a concrete culvert carrying N79 over Silver Creek in Dodge County, Nebraska. It was built in 1970 and reconstructed in 1996, so it is 55 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 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 1,010 vehicles a day, roughly 22% of them trucks, projected to reach 1,263 by 2038. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 31.1 mi (50 km).

CarriesN79
CrossesSilver Creek
Location7S Snyder
RouteState Highway 79
Coordinates41.5948, -96.7901
Functional classRural Major Collector

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum 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 spans2
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,010 (2018)
Projected traffic1,263 by 2038
Trucks22%
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

OwnerState Highway Agency
Maintained byState 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 N79 over Silver Creek built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1996.

What condition is N79 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 January 2024.

How much traffic does N79 over Silver Creek carry?

About 1,010 vehicles per day (2018 count), of which roughly 22% are trucks.

How long is N79 over Silver Creek?

The structure is 28 ft (8.5 m) long with a longest span of 12 ft (3.7 m).

Who owns N79 over Silver Creek?

It is owned by the State Highway Agency.