US Bridges

US283 over Platte River Overflow

Good

Dawson County, Nebraska · 4SW Lexington · Structure no. S283 05350

Built
1956
69 years old, rebuilt 2019
Condition
Good
inspected October 2023
Type
Slab
Concrete Continuous
Length
85 ft
3 main spans
Daily traffic
2,710
2018 count
Owner
State
State Highway Agency

About this bridge

US283 over Platte River Overflow is a concrete continuous slab carrying US283 over Platte River Overflow in Dawson County, Nebraska. It was built in 1956 and reconstructed in 2019, so it is 69 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 2,710 vehicles a day, roughly 9% of them trucks, projected to reach 3,659 by 2038. The structure is 85 ft (25.9 m) long and 46 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesUS283
CrossesPlatte River Overflow
Location4SW Lexington
RouteU.S. Route 283
Coordinates40.729, -99.775
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.7 US tons
Inventory rating48.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length85 ft (25.9 m)
Longest span34 ft (10.4 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,710 (2018)
Projected traffic3,659 by 2038
Trucks9%
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 US283 over Platte River Overflow built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2019.

What condition is US283 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 October 2023.

How much traffic does US283 over Platte River Overflow carry?

About 2,710 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is US283 over Platte River Overflow?

The structure is 85 ft (25.9 m) long with a longest span of 34 ft (10.4 m) and a deck 46 ft wide.

Who owns US283 over Platte River Overflow?

It is owned by the State Highway Agency.