US Bridges

Local Rd. 20.4-P.8 over Stream

FairPosted for load

Atchison County, Kansas · 7.8E 0.8N of Huron · Structure no. 000031047003482

Built
1950
75 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
10
2007 count
Owner
County
County Highway Agency

About this bridge

Local Rd. 20.4-P.8 over Stream is a steel stringer/multi-beam or girder carrying Local Rd. 20.4-P.8 over Stream in Atchison County, Kansas. It was built in 1950, so it is 75 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 10 vehicles a day, projected to reach 15 by 2042. The structure is 31 ft (9.4 m) long and 16 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesLocal Rd. 20.4-P.8
CrossesStream
Location7.8E 0.8N of Huron
RouteCounty Highway 0
CountyAtchison County
StateKansas
Coordinates39.64987, -95.20992
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.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating10.3 US tons
Inventory rating6.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckOther
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic10 (2007)
Projected traffic15 by 2042
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$260,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Local Rd. 20.4-P.8 over Stream built?

It was built in 1950, making it 75 years old in 2025.

What condition is Local Rd. 20.4-P.8 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 July 2024.

How much traffic does Local Rd. 20.4-P.8 over Stream carry?

About 10 vehicles per day (2007 count).

How long is Local Rd. 20.4-P.8 over Stream?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 16 ft wide.

Who owns Local Rd. 20.4-P.8 over Stream?

It is owned by the County Highway Agency.