US Bridges

US83/N70 over North Platte River

Fair

Lincoln County, Nebraska · 0N North Platte · Structure no. S083 08457

Built
1969
56 years old, rebuilt 1994
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
353 ft
6 main spans
Daily traffic
6,840
2018 count
Owner
State
State Highway Agency

About this bridge

US83/N70 over North Platte River is a prestressed concrete stringer/multi-beam or girder carrying US83/N70 over North Platte River in Lincoln County, Nebraska. It was built in 1969 and reconstructed in 1994, so it is 56 years old, older than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 6,840 vehicles a day, roughly 7% of them trucks, projected to reach 8,892 by 2038. The structure is 353 ft (107.6 m) long and 61 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

Open in Google Maps
CarriesUS83/N70
CrossesNorth Platte River
Location0N North Platte
RouteU.S. Route 83
CountyLincoln County
StateNebraska
Coordinates41.1544, -100.7591
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.3 US tons
Inventory rating39.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadUnknown
Structure length353 ft (107.6 m)
Longest span58 ft (17.7 m)
Deck width61 ft (18.7 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,840 (2018)
Projected traffic8,892 by 2038
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 km)
TollOn a free road
National Highway SystemYes

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 US83/N70 over North Platte River built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 1994.

What condition is US83/N70 over North Platte River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2023.

How much traffic does US83/N70 over North Platte River carry?

About 6,840 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is US83/N70 over North Platte River?

The structure is 353 ft (107.6 m) long with a longest span of 58 ft (17.7 m) and a deck 61 ft wide.

Who owns US83/N70 over North Platte River?

It is owned by the State Highway Agency.