US Bridges

N64 over Platte River Trib

Good

Douglas County, Nebraska · 2.5W Valley · Structure no. S064 05319

Built
1975
50 years old
Condition
Good
inspected March 2024
Type
Slab
Concrete Continuous
Length
182 ft
4 main spans
Daily traffic
2,010
2018 count
Owner
State
State Highway Agency

About this bridge

N64 over Platte River Trib is a concrete continuous slab carrying N64 over Platte River Trib in Douglas County, Nebraska. It was built in 1975, so it is 50 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 2,010 vehicles a day, roughly 9% of them trucks, projected to reach 3,216 by 2038. The structure is 182 ft (55.5 m) long and 43 ft wide. If it were closed, the detour would be 180.2 mi (290 km).

CarriesN64
CrossesPlatte River Trib
Location2.5W Valley
RouteState Highway 64
Coordinates41.3206, -96.4018
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 protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.5 US tons
Inventory rating48.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length182 ft (55.5 m)
Longest span50 ft (15.2 m)
Deck width43 ft (13.2 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,010 (2018)
Projected traffic3,216 by 2038
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed180.2 mi (290 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N64 over Platte River Trib built?

It was built in 1975, making it 50 years old in 2025.

What condition is N64 over Platte River Trib 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 March 2024.

How much traffic does N64 over Platte River Trib carry?

About 2,010 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is N64 over Platte River Trib?

The structure is 182 ft (55.5 m) long with a longest span of 50 ft (15.2 m) and a deck 43 ft wide.

Who owns N64 over Platte River Trib?

It is owned by the State Highway Agency.