US Bridges

US34/N2 over M Ch Platte River

Good

Merrick County, Nebraska · 6SE Grand Island · Structure no. S034 23671

Built
1969
56 years old, rebuilt 1991
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
913 ft
14 main spans
Daily traffic
7,890
2018 count
Owner
State
State Highway Agency

About this bridge

US34/N2 over M Ch Platte River is a prestressed concrete stringer/multi-beam or girder carrying US34/N2 over M Ch Platte River in Merrick County, Nebraska. It was built in 1969 and reconstructed in 1991, so it is 56 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 7,890 vehicles a day, roughly 10% of them trucks, projected to reach 10,652 by 2038. The structure is 913 ft (278.3 m) long and 48 ft wide. If it were closed, the detour would be 142.9 mi (230 km).

CarriesUS34/N2
CrossesM Ch Platte River
Location6SE Grand Island
RouteU.S. Route 34
Coordinates40.8731, -98.2811
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating84.9 US tons
Inventory rating49.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans14
Design loadHS 20
Structure length913 ft (278.3 m)
Longest span65 ft (19.8 m)
Deck width48 ft (14.6 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,890 (2018)
Projected traffic10,652 by 2038
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed142.9 mi (230 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US34/N2 over M Ch Platte River built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 1991.

What condition is US34/N2 over M Ch 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 US34/N2 over M Ch Platte River carry?

About 7,890 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is US34/N2 over M Ch Platte River?

The structure is 913 ft (278.3 m) long with a longest span of 65 ft (19.8 m) and a deck 48 ft wide.

Who owns US34/N2 over M Ch Platte River?

It is owned by the State Highway Agency.