US Bridges

NE 120 RD DD.5-5.0 over Stream

FairPosted for load

Harper County, Kansas · 3.0N 4.5E of Danville · Structure no. 000390767506680

Built
1945
80 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
38 ft
2 main spans
Daily traffic
5
2021 count
Owner
County
County Highway Agency

About this bridge

NE 120 RD DD.5-5.0 over Stream is a wood or timber stringer/multi-beam or girder carrying NE 120 RD DD.5-5.0 over Stream in Harper County, Kansas. It was built in 1945, so it is 80 years old, older than the Kansas average of 52.8 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 5 vehicles a day, roughly 10% of them trucks, projected to reach 5 by 2043. The structure is 38 ft (11.6 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesNE 120 RD DD.5-5.0
CrossesStream
Location3.0N 4.5E of Danville
RouteCounty Highway 0
CountyHarper County
StateKansas
Coordinates37.32813, -97.81356
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating13.7 US tons
Inventory rating9.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length38 ft (11.6 m)
Longest span18 ft (5.4 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic5 (2021)
Projected traffic5 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$58,000
NavigationNo navigation control on waterway

Frequently asked questions

When was NE 120 RD DD.5-5.0 over Stream built?

It was built in 1945, making it 80 years old in 2025.

What condition is NE 120 RD DD.5-5.0 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 January 2024.

How much traffic does NE 120 RD DD.5-5.0 over Stream carry?

About 5 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is NE 120 RD DD.5-5.0 over Stream?

The structure is 38 ft (11.6 m) long with a longest span of 18 ft (5.4 m) and a deck 20 ft wide.

Who owns NE 120 RD DD.5-5.0 over Stream?

It is owned by the County Highway Agency.