US Bridges

EB-N64 over I680

Good

Douglas County, Nebraska · Maple ST Intrchg · Structure no. S680 00459

Built
2003
22 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
251 ft
2 main spans
Daily traffic
38,185
2016 count
Owner
State
State Highway Agency

About this bridge

EB-N64 over I680 is a prestressed concrete continuous stringer/multi-beam or girder carrying EB-N64 over I680 in Douglas County, Nebraska. It was built in 2003, so it is 22 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 38,185 vehicles a day, roughly 3% of them trucks, projected to reach 49,641 by 2036. The structure is 251 ft (76.5 m) long and 139 ft wide.

CarriesEB-N64
CrossesI680
LocationMaple ST Intrchg
RouteState Highway 64
Coordinates41.2859, -96.0755
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.1 US tons
Inventory rating41.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length251 ft (76.5 m)
Longest span124 ft (37.8 m)
Deck width139 ft (42.3 m)
Roadway width121 ft (36.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38,185 (2016)
Projected traffic49,641 by 2036
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was EB-N64 over I680 built?

It was built in 2003, making it 22 years old in 2025.

What condition is EB-N64 over I680 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 2023.

How much traffic does EB-N64 over I680 carry?

About 38,185 vehicles per day (2016 count), of which roughly 3% are trucks.

How long is EB-N64 over I680?

The structure is 251 ft (76.5 m) long with a longest span of 124 ft (37.8 m) and a deck 139 ft wide.

Who owns EB-N64 over I680?

It is owned by the State Highway Agency.