US Bridges

6450 RD Mile 11 over Sycamore Creek

Fair

Montgomery County, Kansas · 3.5W 3.5N of Sycamore · Structure no. 000630989206605

Built
1982
43 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
123 ft
3 main spans
Daily traffic
50
2011 count
Owner
County
County Highway Agency

About this bridge

6450 RD Mile 11 over Sycamore Creek is a concrete continuous slab carrying 6450 RD Mile 11 over Sycamore Creek in Montgomery 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 50 vehicles a day, projected to reach 60 by 2039. The structure is 123 ft (37.6 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
Carries6450 RD Mile 11
CrossesSycamore Creek
Location3.5W 3.5N of Sycamore
RouteCounty Highway 6334
CountyMontgomery County
StateKansas
Coordinates37.37828, -95.77953
Functional classRural Minor 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating51.3 US tons
Inventory rating30.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length123 ft (37.6 m)
Longest span48 ft (14.6 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic50 (2011)
Projected traffic60 by 2039
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 6450 RD Mile 11 over Sycamore Creek built?

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

What condition is 6450 RD Mile 11 over Sycamore 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 2023.

How much traffic does 6450 RD Mile 11 over Sycamore Creek carry?

About 50 vehicles per day (2011 count).

How long is 6450 RD Mile 11 over Sycamore Creek?

The structure is 123 ft (37.6 m) long with a longest span of 48 ft (14.6 m) and a deck 26 ft wide.

Who owns 6450 RD Mile 11 over Sycamore Creek?

It is owned by the County Highway Agency.