US Bridges

Rs 399 37 over Trib. S. Fork Sugar Ck.

FairPosted for load

Linn County, Kansas · 3.7N of Blue Mound · Structure no. 000000000540002

Built
1930
95 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
22 ft
3 main spans
Daily traffic
262
2006 count
Owner
County
County Highway Agency

About this bridge

Rs 399 37 over Trib. S. Fork Sugar Ck. is a concrete culvert carrying Rs 399 37 over Trib. S. Fork Sugar Ck. in Linn County, Kansas. It was built in 1930, so it is 95 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. Its operating status is: posted for load restriction.

It carries about 262 vehicles a day, roughly 10% of them trucks, projected to reach 295 by 2044. The structure is 22 ft (6.8 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesRs 399 37
CrossesTrib. S. Fork Sugar Ck.
Location3.7N of Blue Mound
RouteCounty Highway 399
CountyLinn County
StateKansas
Coordinates38.14981, -95.00691
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating15 US tons
Inventory rating15 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length22 ft (6.8 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic262 (2006)
Projected traffic295 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 399 37 over Trib. S. Fork Sugar Ck. built?

It was built in 1930, making it 95 years old in 2025.

What condition is Rs 399 37 over Trib. S. Fork Sugar Ck. 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 February 2024.

How much traffic does Rs 399 37 over Trib. S. Fork Sugar Ck. carry?

About 262 vehicles per day (2006 count), of which roughly 10% are trucks.

How long is Rs 399 37 over Trib. S. Fork Sugar Ck.?

The structure is 22 ft (6.8 m) long with a longest span of 7 ft (2.1 m).

Who owns Rs 399 37 over Trib. S. Fork Sugar Ck.?

It is owned by the County Highway Agency.