US Bridges

RS1705 Centennial over US 169 K7 HWY

Fair

Miami County, Kansas · 5.14 MI N of K-279 · Structure no. 999916900610281

Built
1972
53 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
299 ft
4 main spans
Daily traffic
1,907
2023 count
Owner
State
State Highway Agency

About this bridge

RS1705 Centennial over US 169 K7 HWY is a concrete continuous box beam or girders - multiple carrying RS1705 Centennial over US 169 K7 HWY in Miami County, Kansas. It was built in 1972, so it is 53 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 1,907 vehicles a day, projected to reach 2,469 by 2044. The structure is 299 ft (91.1 m) long and 46 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesRS1705 Centennial
CrossesUS 169 K7 HWY
Location5.14 MI N of K-279
RouteCity Street 4705
StateKansas
Coordinates38.5625, -94.86167
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating47.6 US tons
Inventory rating28 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length299 ft (91.1 m)
Longest span92 ft (28 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,907 (2023)
Projected traffic2,469 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 RS1705 Centennial over US 169 K7 HWY built?

It was built in 1972, making it 53 years old in 2025.

What condition is RS1705 Centennial over US 169 K7 HWY 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 February 2024.

How much traffic does RS1705 Centennial over US 169 K7 HWY carry?

About 1,907 vehicles per day (2023 count).

How long is RS1705 Centennial over US 169 K7 HWY?

The structure is 299 ft (91.1 m) long with a longest span of 92 ft (28 m) and a deck 46 ft wide.

Who owns RS1705 Centennial over US 169 K7 HWY?

It is owned by the State Highway Agency.