US Bridges

3300 RD Mile 11 over Trib. to Onion Creek

Fair

Montgomery County, Kansas · 6.0E 1.2N of Wayside · Structure no. 000000000630595

Built
1975
50 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
35 ft
2 main spans
Daily traffic
83
2010 count
Owner
County
County Highway Agency

About this bridge

3300 RD Mile 11 over Trib. to Onion Creek is a concrete continuous slab carrying 3300 RD Mile 11 over Trib. to Onion Creek in Montgomery County, Kansas. It was built in 1975, so it is 50 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 83 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2039. The structure is 35 ft (10.7 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries3300 RD Mile 11
CrossesTrib. to Onion Creek
Location6.0E 1.2N of Wayside
RouteCounty Highway 1673
CountyMontgomery County
StateKansas
Coordinates37.14192, -95.76517
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.
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 geometry9: Superior to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 length35 ft (10.7 m)
Longest span17 ft (5.1 m)
Deck width34 ft (10.4 m)
Roadway width33 ft (10 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic83 (2010)
Projected traffic100 by 2039
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 3300 RD Mile 11 over Trib. to Onion Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is 3300 RD Mile 11 over Trib. to Onion 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 3300 RD Mile 11 over Trib. to Onion Creek carry?

About 83 vehicles per day (2010 count), of which roughly 3% are trucks.

How long is 3300 RD Mile 11 over Trib. to Onion Creek?

The structure is 35 ft (10.7 m) long with a longest span of 17 ft (5.1 m) and a deck 34 ft wide.

Who owns 3300 RD Mile 11 over Trib. to Onion Creek?

It is owned by the County Highway Agency.