US Bridges

3500 RD Mile 15 over Rock Creek

FairPosted for load

Montgomery County, Kansas · 1.4S 2.0W of Independence · Structure no. 000630993006843

Built
1974
51 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
71 ft
3 main spans
Daily traffic
40
2010 count
Owner
County
County Highway Agency

About this bridge

3500 RD Mile 15 over Rock Creek is a steel continuous stringer/multi-beam or girder carrying 3500 RD Mile 15 over Rock Creek in Montgomery County, Kansas. It was built in 1974, so it is 51 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 5 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 40 vehicles a day, projected to reach 48 by 2039. The structure is 71 ft (21.7 m) long and 17 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries3500 RD Mile 15
CrossesRock Creek
Location1.4S 2.0W of Independence
RouteCounty Highway 0
CountyMontgomery County
StateKansas
Coordinates37.20615, -95.74711
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating8.2 US tons
Inventory rating4.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length71 ft (21.7 m)
Longest span31 ft (9.6 m)
Deck width17 ft (5.1 m)
Roadway width17 ft (5.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic40 (2010)
Projected traffic48 by 2039
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 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 3500 RD Mile 15 over Rock Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is 3500 RD Mile 15 over Rock 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 3500 RD Mile 15 over Rock Creek carry?

About 40 vehicles per day (2010 count).

How long is 3500 RD Mile 15 over Rock Creek?

The structure is 71 ft (21.7 m) long with a longest span of 31 ft (9.6 m) and a deck 17 ft wide.

Who owns 3500 RD Mile 15 over Rock Creek?

It is owned by the County Highway Agency.