US Bridges

Rs 820 Y.0 - 830 over Trib. to Four Mile Ck.

GoodPosted for load

Morris County, Kansas · 2.8S 0.6E Council Grove · Structure no. 000000000640033

Built
1955
70 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
30 ft
1 main span
Daily traffic
80
2011 count
Owner
County
County Highway Agency

About this bridge

Rs 820 Y.0 - 830 over Trib. to Four Mile Ck. is a concrete culvert carrying Rs 820 Y.0 - 830 over Trib. to Four Mile Ck. in Morris County, Kansas. It was built in 1955, so it is 70 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 80 vehicles a day, projected to reach 53 by 2040. The structure is 30 ft (9.1 m) long and 29 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesRs 820 Y.0 - 830
CrossesTrib. to Four Mile Ck.
Location2.8S 0.6E Council Grove
RouteCounty Highway 820
StateKansas
Coordinates38.61139, -96.48601
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.7 US tons
Inventory rating23.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 15
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic80 (2011)
Projected traffic53 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 statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$62,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 820 Y.0 - 830 over Trib. to Four Mile Ck. built?

It was built in 1955, making it 70 years old in 2025.

What condition is Rs 820 Y.0 - 830 over Trib. to Four Mile Ck. in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does Rs 820 Y.0 - 830 over Trib. to Four Mile Ck. carry?

About 80 vehicles per day (2011 count).

How long is Rs 820 Y.0 - 830 over Trib. to Four Mile Ck.?

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

Who owns Rs 820 Y.0 - 830 over Trib. to Four Mile Ck.?

It is owned by the County Highway Agency.