US Bridges

N79 over Platte River Overflow

Good

Dodge County, Nebraska · 0S North Bend · Structure no. S079 04291

Built
1961
64 years old, rebuilt 1991
Condition
Good
inspected January 2024
Type
Slab
Concrete Continuous
Length
102 ft
3 main spans
Daily traffic
2,925
2018 count
Owner
State
State Highway Agency

About this bridge

N79 over Platte River Overflow is a concrete continuous slab carrying N79 over Platte River Overflow in Dodge County, Nebraska. It was built in 1961 and reconstructed in 1991, so it is 64 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 2,925 vehicles a day, roughly 10% of them trucks, projected to reach 4,241 by 2038. The structure is 102 ft (31.1 m) long and 46 ft wide. If it were closed, the detour would be 348 mi (560 km).

CarriesN79
CrossesPlatte River Overflow
Location0S North Bend
RouteState Highway 79
Coordinates41.4589, -96.7795
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.7 US tons
Inventory rating43 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length102 ft (31.1 m)
Longest span41 ft (12.5 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,925 (2018)
Projected traffic4,241 by 2038
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed348 mi (560 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 Platte River Overflow built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1991.

What condition is N79 over Platte River Overflow 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 Platte River Overflow carry?

About 2,925 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is N79 over Platte River Overflow?

The structure is 102 ft (31.1 m) long with a longest span of 41 ft (12.5 m) and a deck 46 ft wide.

Who owns N79 over Platte River Overflow?

It is owned by the State Highway Agency.