US Bridges

N15 over Platte River Overflow

Fair

Butler County, Nebraska · 3S Schuyler · Structure no. S015 10511

Built
1960
65 years old, rebuilt 2000
Condition
Fair
inspected June 2024
Type
Slab
Concrete Continuous
Length
90 ft
3 main spans
Daily traffic
3,015
2018 count
Owner
State
State Highway Agency

About this bridge

N15 over Platte River Overflow is a concrete continuous slab carrying N15 over Platte River Overflow in Butler County, Nebraska. It was built in 1960 and reconstructed in 2000, so it is 65 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 3,015 vehicles a day, roughly 12% of them trucks, projected to reach 3,377 by 2038. The structure is 90 ft (27.4 m) long and 46 ft wide. If it were closed, the detour would be 329.3 mi (530 km).

CarriesN15
CrossesPlatte River Overflow
Location3S Schuyler
RouteState Highway 15
Coordinates41.403, -97.06
Functional classRural Minor 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating45.2 US tons
Inventory rating26.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length90 ft (27.4 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 traffic3,015 (2018)
Projected traffic3,377 by 2038
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed329.3 mi (530 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 N15 over Platte River Overflow built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2000.

What condition is N15 over Platte River Overflow 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 June 2024.

How much traffic does N15 over Platte River Overflow carry?

About 3,015 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is N15 over Platte River Overflow?

The structure is 90 ft (27.4 m) long with a longest span of 34 ft (10.4 m) and a deck 46 ft wide.

Who owns N15 over Platte River Overflow?

It is owned by the State Highway Agency.