US Bridges

So. 17th over Rock Creek

FairPosted for load

Montgomery County, Kansas · S.W. Edge of Independence · Structure no. 000630995506828

Built
1968
57 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
197 ft
3 main spans
Daily traffic
1,000
2018 count
Owner
County
County Highway Agency

About this bridge

So. 17th over Rock Creek is a steel continuous stringer/multi-beam or girder carrying So. 17th over Rock Creek in Montgomery County, Kansas. It was built in 1968, so it is 57 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 1,000 vehicles a day, roughly 2% of them trucks, projected to reach 120 by 2039. The structure is 197 ft (59.9 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSo. 17th
CrossesRock Creek
LocationS.W. Edge of Independence
RouteCounty Highway 6323
CountyMontgomery County
StateKansas
Coordinates37.21303, -95.71985
Functional classUrban 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 statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating37.4 US tons
Inventory rating22.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length197 ft (59.9 m)
Longest span75 ft (22.8 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic1,000 (2018)
Projected traffic120 by 2039
Trucks2%
Lanes on structure2
Traffic directionTwo-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 So. 17th over Rock Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is So. 17th 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 So. 17th over Rock Creek carry?

About 1,000 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is So. 17th over Rock Creek?

The structure is 197 ft (59.9 m) long with a longest span of 75 ft (22.8 m) and a deck 28 ft wide.

Who owns So. 17th over Rock Creek?

It is owned by the County Highway Agency.