US Bridges

Rs 1647 21.0-7.5 over Spring Creek

Fair

Franklin County, Kansas · 1.0S 0.9W of Centropolis · Structure no. 000000000300700

Built
1930
95 years old, rebuilt 1982
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
26 ft
1 main span
Daily traffic
295
2013 count
Owner
County
County Highway Agency

About this bridge

Rs 1647 21.0-7.5 over Spring Creek is a steel stringer/multi-beam or girder carrying Rs 1647 21.0-7.5 over Spring Creek in Franklin County, Kansas. It was built in 1930 and reconstructed in 1982, 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 5 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 295 vehicles a day, projected to reach 298 by 2043. The structure is 26 ft (7.9 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRs 1647 21.0-7.5
CrossesSpring Creek
Location1.0S 0.9W of Centropolis
RouteCounty Highway 1647
StateKansas
Coordinates38.69519, -95.37014
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
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating31.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span25 ft (7.7 m)
Deck width29 ft (8.9 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic295 (2013)
Projected traffic298 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 1647 21.0-7.5 over Spring Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1982.

What condition is Rs 1647 21.0-7.5 over Spring 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 June 2023.

How much traffic does Rs 1647 21.0-7.5 over Spring Creek carry?

About 295 vehicles per day (2013 count).

How long is Rs 1647 21.0-7.5 over Spring Creek?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.7 m) and a deck 29 ft wide.

Who owns Rs 1647 21.0-7.5 over Spring Creek?

It is owned by the County Highway Agency.