US Bridges

Rs 820 X.7 - 690 over Four Mile Creek

Fair

Morris County, Kansas · 2.8S 2.0E Council Grove · Structure no. 000000000640034

Built
1982
43 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
157 ft
4 main spans
Daily traffic
80
2011 count
Owner
County
County Highway Agency

About this bridge

Rs 820 X.7 - 690 over Four Mile Creek is a concrete continuous slab carrying Rs 820 X.7 - 690 over Four Mile Creek in Morris County, Kansas. It was built in 1982, so it is 43 years old, younger 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 60 by 2040. The structure is 157 ft (47.9 m) long and 28 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesRs 820 X.7 - 690
CrossesFour Mile Creek
Location2.8S 2.0E Council Grove
RouteCounty Highway 820
StateKansas
Coordinates38.61265, -96.46192
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating71.1 US tons
Inventory rating42.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length157 ft (47.9 m)
Longest span44 ft (13.4 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic80 (2011)
Projected traffic60 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.7 - 690 over Four Mile Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is Rs 820 X.7 - 690 over Four Mile Creek 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.7 - 690 over Four Mile Creek carry?

About 80 vehicles per day (2011 count).

How long is Rs 820 X.7 - 690 over Four Mile Creek?

The structure is 157 ft (47.9 m) long with a longest span of 44 ft (13.4 m) and a deck 28 ft wide.

Who owns Rs 820 X.7 - 690 over Four Mile Creek?

It is owned by the County Highway Agency.