US Bridges

579 Ave over Stream

FairPosted for load

Jefferson County, Nebraska · .4S 1.5W of Diller · Structure no. C004804310

Built
1935
90 years old
Condition
Fair
inspected June 2024
Type
Girder and Floorbeam System
Steel
Length
43 ft
2 main spans
Daily traffic
15
2003 count
Owner
County
County Highway Agency

About this bridge

579 Ave over Stream is a steel girder and floorbeam system carrying 579 Ave over Stream in Jefferson County, Nebraska. It was built in 1935, so it is 90 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 15 vehicles a day, projected to reach 25 by 2033. The structure is 43 ft (13.1 m) long and 22 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

Open in Google Maps
Carries579 Ave
CrossesStream
Location.4S 1.5W of Diller
RouteCounty Highway 43
CountyJefferson County
StateNebraska
Coordinates40.0964, -96.9731
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating8.8 US tons
Inventory rating5.5 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckWood or timber
Main spans2
Design loadUnknown
Structure length43 ft (13.1 m)
Longest span22 ft (6.7 m)
Deck width22 ft (6.8 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2003)
Projected traffic25 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 579 Ave over Stream built?

It was built in 1935, making it 90 years old in 2025.

What condition is 579 Ave 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 June 2024.

How much traffic does 579 Ave over Stream carry?

About 15 vehicles per day (2003 count).

How long is 579 Ave over Stream?

The structure is 43 ft (13.1 m) long with a longest span of 22 ft (6.7 m) and a deck 22 ft wide.

Who owns 579 Ave over Stream?

It is owned by the County Highway Agency.