US Bridges

N79 over Stream

Good

Lancaster County, Nebraska · 4S Agnew · Structure no. S079 00480

Built
1943
82 years old, rebuilt 2007
Condition
Good
inspected January 2025
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
3,460
2018 count
Owner
State
State Highway Agency

About this bridge

N79 over Stream is a concrete culvert carrying N79 over Stream in Lancaster County, Nebraska. It was built in 1943 and reconstructed in 2007, so it is 82 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 3,460 vehicles a day, roughly 8% of them trucks, projected to reach 5,709 by 2038. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 31.1 mi (50 km).

CarriesN79
CrossesStream
Location4S Agnew
RouteState Highway 79
Coordinates40.9553, -96.7956
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
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
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 loadH 15
Structure length28 ft (8.5 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 traffic3,460 (2018)
Projected traffic5,709 by 2038
Trucks8%
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

OwnerState Highway Agency
Maintained byState 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 N79 over Stream built?

It was built in 1943, making it 82 years old in 2025. It was reconstructed in 2007.

What condition is N79 over Stream 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 N79 over Stream carry?

About 3,460 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is N79 over Stream?

The structure is 28 ft (8.5 m) long with a longest span of 12 ft (3.7 m).

Who owns N79 over Stream?

It is owned by the State Highway Agency.