US Bridges

RS0617 29th ST over I-470 HWY (kta)

Fair

Shawnee County, Kansas · 3.17 MI NE Topeka Ave · Structure no. 999947000891423

Built
1956
69 years old, rebuilt 2015
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
219 ft
4 main spans
Daily traffic
8,478
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

RS0617 29th ST over I-470 HWY (kta) is a steel continuous stringer/multi-beam or girder carrying RS0617 29th ST over I-470 HWY (kta) in Shawnee County, Kansas. It was built in 1956 and reconstructed in 2015, so it is 69 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.

It carries about 8,478 vehicles a day, projected to reach 9,367 by 2044. The structure is 219 ft (66.6 m) long and 56 ft wide.

CarriesRS0617 29th ST
CrossesI-470 HWY (kta)
Location3.17 MI NE Topeka Ave
RouteCounty Highway 5450
StateKansas
Coordinates39.015, -95.64
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating47 US tons
Inventory rating28.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length219 ft (66.6 m)
Longest span60 ft (18.3 m)
Deck width56 ft (17.1 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,478 (2023)
Projected traffic9,367 by 2044
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
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 RS0617 29th ST over I-470 HWY (kta) built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2015.

What condition is RS0617 29th ST over I-470 HWY (kta) 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 2024.

How much traffic does RS0617 29th ST over I-470 HWY (kta) carry?

About 8,478 vehicles per day (2023 count).

How long is RS0617 29th ST over I-470 HWY (kta)?

The structure is 219 ft (66.6 m) long with a longest span of 60 ft (18.3 m) and a deck 56 ft wide.

Who owns RS0617 29th ST over I-470 HWY (kta)?

It is owned by the State Toll Authority.