US Bridges

N14 over Platte River

Good

Merrick County, Nebraska · 3S Central City · Structure no. S014 07891

Built
1991
34 years old, rebuilt 2017
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
902 ft
10 main spans
Daily traffic
3,200
2018 count
Owner
State
State Highway Agency

About this bridge

N14 over Platte River is a prestressed concrete stringer/multi-beam or girder carrying N14 over Platte River in Merrick County, Nebraska. It was built in 1991 and reconstructed in 2017, so it is 34 years old, younger 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 3,200 vehicles a day, roughly 14% of them trucks, projected to reach 4,160 by 2038. The structure is 902 ft (274.9 m) long and 46 ft wide. If it were closed, the detour would be 80.8 mi (130 km).

CarriesN14
CrossesPlatte River
Location3S Central City
RouteState Highway 14
Coordinates41.078, -98.0005
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 48 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 rating75 US tons
Inventory rating44.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length902 ft (274.9 m)
Longest span91 ft (27.7 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,200 (2018)
Projected traffic4,160 by 2038
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed80.8 mi (130 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 N14 over Platte River built?

It was built in 1991, making it 34 years old in 2025. It was reconstructed in 2017.

What condition is N14 over Platte River 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 January 2025.

How much traffic does N14 over Platte River carry?

About 3,200 vehicles per day (2018 count), of which roughly 14% are trucks.

How long is N14 over Platte River?

The structure is 902 ft (274.9 m) long with a longest span of 91 ft (27.7 m) and a deck 46 ft wide.

Who owns N14 over Platte River?

It is owned by the State Highway Agency.