US Bridges

520th ST over Stream

Fair

Platte County, Nebraska · 1E N45 Madison Cl · Structure no. C007110210

Built
2009
16 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
31 ft
1 main span
Daily traffic
80
1998 count
Owner
County
County Highway Agency

About this bridge

520th ST over Stream is a concrete stringer/multi-beam or girder carrying 520th ST over Stream in Platte County, Nebraska. It was built in 2009, so it is 16 years old, younger 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.

It carries about 80 vehicles a day, projected to reach 136 by 2033. The structure is 31 ft (9.4 m) long and 29 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

Open in Google Maps
Carries520th ST
CrossesStream
Location1E N45 Madison Cl
RouteCounty Highway 7698
CountyPlatte County
StateNebraska
Coordinates41.7425, -97.7568
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.9 US tons
Inventory rating44.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span30 ft (9.1 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (1998)
Projected traffic136 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 520th ST over Stream built?

It was built in 2009, making it 16 years old in 2025.

What condition is 520th ST 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 September 2023.

How much traffic does 520th ST over Stream carry?

About 80 vehicles per day (1998 count).

How long is 520th ST over Stream?

The structure is 31 ft (9.4 m) long with a longest span of 30 ft (9.1 m) and a deck 29 ft wide.

Who owns 520th ST over Stream?

It is owned by the County Highway Agency.