US Bridges

6475 RD Mile 10 over Stream

Fair

Montgomery County, Kansas · 4.0N 5.2W of Sycamore · Structure no. 000630987406602

Built
1930
95 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
28 ft
2 main spans
Daily traffic
20
2010 count
Owner
County
County Highway Agency

About this bridge

6475 RD Mile 10 over Stream is a concrete continuous slab carrying 6475 RD Mile 10 over Stream in Montgomery 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.

It carries about 20 vehicles a day, projected to reach 25 by 2039. The structure is 28 ft (8.4 m) long and 22 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries6475 RD Mile 10
CrossesStream
Location4.0N 5.2W of Sycamore
RouteCounty Highway 6334
StateKansas
Coordinates37.38296, -95.79417
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length28 ft (8.4 m)
Longest span13 ft (4 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic20 (2010)
Projected traffic25 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 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 6475 RD Mile 10 over Stream built?

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

What condition is 6475 RD Mile 10 over Stream 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 6475 RD Mile 10 over Stream carry?

About 20 vehicles per day (2010 count).

How long is 6475 RD Mile 10 over Stream?

The structure is 28 ft (8.4 m) long with a longest span of 13 ft (4 m) and a deck 22 ft wide.

Who owns 6475 RD Mile 10 over Stream?

It is owned by the County Highway Agency.