US Bridges

NW 70th ST over Stream (e 103)

Good

Lancaster County, Nebraska · JCT US34/N79 1W .6N · Structure no. C005531113

Built
1977
48 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
67
2012 count
Owner
County
County Highway Agency

About this bridge

NW 70th ST over Stream (e 103) is a concrete culvert carrying NW 70th ST over Stream (e 103) 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 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 67 vehicles a day, projected to reach 114 by 2033. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 18.6 mi (30 km).

CarriesNW 70th ST
CrossesStream (e 103)
LocationJCT US34/N79 1W .6N
RouteCounty Highway 311
Coordinates40.8961, -96.8149
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic67 (2012)
Projected traffic114 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 NW 70th ST over Stream (e 103) built?

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

What condition is NW 70th ST over Stream (e 103) 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 NW 70th ST over Stream (e 103) carry?

About 67 vehicles per day (2012 count).

How long is NW 70th ST over Stream (e 103)?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m).

Who owns NW 70th ST over Stream (e 103)?

It is owned by the County Highway Agency.