US Bridges

US83 over South Platte River

Fair

Lincoln County, Nebraska · In North Platte · Structure no. S083 08198L

Built
1974
51 years old, rebuilt 2014
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
563 ft
8 main spans
Daily traffic
9,585
2018 count
Owner
State
State Highway Agency

About this bridge

US83 over South Platte River is a prestressed concrete stringer/multi-beam or girder carrying US83 over South Platte River in Lincoln County, Nebraska. It was built in 1974 and reconstructed in 2014, so it is 51 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 9,585 vehicles a day, roughly 5% of them trucks, projected to reach 12,940 by 2038. The structure is 563 ft (171.6 m) long and 38 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

Location

Open in Google Maps
CarriesUS83
CrossesSouth Platte River
LocationIn North Platte
RouteU.S. Route 83
CountyLincoln County
StateNebraska
Coordinates41.1186, -100.7639
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.3 US tons
Inventory rating34.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans8 (+2 approach)
Design loadHS 20
Structure length563 ft (171.6 m)
Longest span70 ft (21.3 m)
Deck width38 ft (11.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,585 (2018)
Projected traffic12,940 by 2038
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 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 over South Platte River built?

It was built in 1974, making it 51 years old in 2025. It was reconstructed in 2014.

What condition is US83 over South 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 over South Platte River carry?

About 9,585 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is US83 over South Platte River?

The structure is 563 ft (171.6 m) long with a longest span of 70 ft (21.3 m) and a deck 38 ft wide.

Who owns US83 over South Platte River?

It is owned by the State Highway Agency.