US Bridges

N 70th ST over Salt Creek

Poor

Lancaster County, Nebraska · 1N Crnhusker HWY & N 70th · Structure no. U142513120

Built
1977
48 years old
Condition
Poor
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
301 ft
3 main spans
Daily traffic
4,850
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

N 70th ST over Salt Creek is a steel continuous stringer/multi-beam or girder carrying N 70th ST over Salt Creek in Lancaster County, Nebraska. It was built in 1977, so it is 48 years old, older than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 4,850 vehicles a day, roughly 7% of them trucks, projected to reach 8,500 by 2042. The structure is 301 ft (91.7 m) long and 29 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesN 70th ST
CrossesSalt Creek
Location1N Crnhusker HWY & N 70th
RouteCity Street 5247
Coordinates40.885, -96.625
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.1 US tons
Inventory rating33.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length301 ft (91.7 m)
Longest span118 ft (36 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,850 (2010)
Projected traffic8,500 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 N 70th ST over Salt Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is N 70th ST over Salt Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.

How much traffic does N 70th ST over Salt Creek carry?

About 4,850 vehicles per day (2010 count), of which roughly 7% are trucks.

How long is N 70th ST over Salt Creek?

The structure is 301 ft (91.7 m) long with a longest span of 118 ft (36 m) and a deck 29 ft wide.

Who owns N 70th ST over Salt Creek?

It is owned by the City or Municipal Highway Agency.