US Bridges

N56 over Stream

Fair

Greeley County, Nebraska · 0E Greeley · Structure no. S056 00039

Built
1964
61 years old, rebuilt 1999
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
57 ft
3 main spans
Daily traffic
290
2018 count
Owner
State
State Highway Agency

About this bridge

N56 over Stream is a concrete continuous slab carrying N56 over Stream in Greeley County, Nebraska. It was built in 1964 and reconstructed in 1999, so it is 61 years old, older than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 290 vehicles a day, roughly 10% of them trucks, projected to reach 377 by 2038. The structure is 57 ft (17.4 m) long and 33 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

Location

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CarriesN56
CrossesStream
Location0E Greeley
RouteState Highway 56
CountyGreeley County
StateNebraska
Coordinates41.5384, -98.5327
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.3 US tons
Inventory rating20.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length57 ft (17.4 m)
Longest span21 ft (6.4 m)
Deck width33 ft (10 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic290 (2018)
Projected traffic377 by 2038
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N56 over Stream built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1999.

What condition is N56 over Stream in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.

How much traffic does N56 over Stream carry?

About 290 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is N56 over Stream?

The structure is 57 ft (17.4 m) long with a longest span of 21 ft (6.4 m) and a deck 33 ft wide.

Who owns N56 over Stream?

It is owned by the State Highway Agency.