US Bridges

Rs 820 X.3 - 600 over Neosho River

Fair

Morris County, Kansas · 2.8S 2.8E Council Grove · Structure no. 000000000640035

Built
1972
53 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
336 ft
4 main spans
Daily traffic
80
2011 count
Owner
County
County Highway Agency

About this bridge

Rs 820 X.3 - 600 over Neosho River is a steel continuous stringer/multi-beam or girder carrying Rs 820 X.3 - 600 over Neosho River in Morris County, Kansas. It was built in 1972, so it is 53 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 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 80 vehicles a day, projected to reach 70 by 2040. The structure is 336 ft (102.3 m) long and 28 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesRs 820 X.3 - 600
CrossesNeosho River
Location2.8S 2.8E Council Grove
RouteCounty Highway 820
CountyMorris County
StateKansas
Coordinates38.6196, -96.4457
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.8 US tons
Inventory rating23.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length336 ft (102.3 m)
Longest span92 ft (28 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic80 (2011)
Projected traffic70 by 2040
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 820 X.3 - 600 over Neosho River built?

It was built in 1972, making it 53 years old in 2025.

What condition is Rs 820 X.3 - 600 over Neosho River 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 2024.

How much traffic does Rs 820 X.3 - 600 over Neosho River carry?

About 80 vehicles per day (2011 count).

How long is Rs 820 X.3 - 600 over Neosho River?

The structure is 336 ft (102.3 m) long with a longest span of 92 ft (28 m) and a deck 28 ft wide.

Who owns Rs 820 X.3 - 600 over Neosho River?

It is owned by the County Highway Agency.