US Bridges

SB-US75 over N64

Good

Douglas County, Nebraska · US75/N64 Interchg · Structure no. S075 09106

Built
2009
16 years old, rebuilt 2021
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
531 ft
3 main spans
Daily traffic
59,725
2018 count
Owner
State
State Highway Agency

About this bridge

SB-US75 over N64 is a prestressed concrete continuous stringer/multi-beam or girder carrying SB-US75 over N64 in Douglas County, Nebraska. It was built in 2009 and reconstructed in 2021, so it is 16 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 59,725 vehicles a day, roughly 4% of them trucks, projected to reach 101,533 by 2038. The structure is 531 ft (161.8 m) long and 60 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

CarriesSB-US75
CrossesN64
LocationUS75/N64 Interchg
RouteU.S. Route 75
Coordinates41.2673, -95.9529
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment9: Superior to present desirable criteria
Operating rating65 US tons
Inventory rating33.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+3 approach)
Design loadHL 93
Structure length531 ft (161.8 m)
Longest span126 ft (38.4 m)
Deck width60 ft (18.4 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic59,725 (2018)
Projected traffic101,533 by 2038
Trucks4%
Lanes on structure4
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed12.4 mi (20 km)
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 SB-US75 over N64 built?

It was built in 2009, making it 16 years old in 2025. It was reconstructed in 2021.

What condition is SB-US75 over N64 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 SB-US75 over N64 carry?

About 59,725 vehicles per day (2018 count), of which roughly 4% are trucks.

How long is SB-US75 over N64?

The structure is 531 ft (161.8 m) long with a longest span of 126 ft (38.4 m) and a deck 60 ft wide.

Who owns SB-US75 over N64?

It is owned by the State Highway Agency.