US Bridges

Rs 405 7 over Big Sugar Creek

FairPosted for load

Linn County, Kansas · 4.5W 1.0S of Boicourt · Structure no. 000000000540021

Built
1959
66 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Concrete Continuous
Length
258 ft
3 main spans
Daily traffic
164
2006 count
Owner
County
County Highway Agency

About this bridge

Rs 405 7 over Big Sugar Creek is a concrete continuous tee beam carrying Rs 405 7 over Big Sugar Creek in Linn County, Kansas. It was built in 1959, so it is 66 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 164 vehicles a day, roughly 10% of them trucks, projected to reach 185 by 2044. The structure is 258 ft (78.6 m) long and 25 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesRs 405 7
CrossesBig Sugar Creek
Location4.5W 1.0S of Boicourt
RouteCounty Highway 405
CountyLinn County
StateKansas
Coordinates38.24783, -94.79744
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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating18.5 US tons
Inventory rating11 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length258 ft (78.6 m)
Longest span105 ft (32 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic164 (2006)
Projected traffic185 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 405 7 over Big Sugar Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is Rs 405 7 over Big Sugar 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 March 2024.

How much traffic does Rs 405 7 over Big Sugar Creek carry?

About 164 vehicles per day (2006 count), of which roughly 10% are trucks.

How long is Rs 405 7 over Big Sugar Creek?

The structure is 258 ft (78.6 m) long with a longest span of 105 ft (32 m) and a deck 25 ft wide.

Who owns Rs 405 7 over Big Sugar Creek?

It is owned by the County Highway Agency.