US Bridges

URB5390 21st EB over I-470 HWY

Fair

Shawnee County, Kansas · 1.01 MI SE W JCT US75 · Structure no. 999947000891511

Built
1960
65 years old, rebuilt 1990
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
255 ft
4 main spans
Daily traffic
9,665
2023 count
Owner
State
State Highway Agency

About this bridge

URB5390 21st EB over I-470 HWY is a concrete continuous box beam or girders - multiple carrying URB5390 21st EB over I-470 HWY in Shawnee County, Kansas. It was built in 1960 and reconstructed in 1990, so it is 65 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 9,665 vehicles a day, projected to reach 10,059 by 2044. The structure is 255 ft (77.6 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesURB5390 21st EB
CrossesI-470 HWY
Location1.01 MI SE W JCT US75
RouteCity Street 5390
CountyShawnee County
StateKansas
Coordinates39.02889, -95.75417
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
Deck7 GoodSome minor problems.
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 geometry9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating99 US tons
Inventory rating49.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length255 ft (77.6 m)
Longest span70 ft (21.3 m)
Deck width51 ft (15.4 m)
Roadway width42 ft (12.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,665 (2023)
Projected traffic10,059 by 2044
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 URB5390 21st EB over I-470 HWY built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1990.

What condition is URB5390 21st EB over I-470 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 June 2024.

How much traffic does URB5390 21st EB over I-470 HWY carry?

About 9,665 vehicles per day (2023 count).

How long is URB5390 21st EB over I-470 HWY?

The structure is 255 ft (77.6 m) long with a longest span of 70 ft (21.3 m) and a deck 51 ft wide.

Who owns URB5390 21st EB over I-470 HWY?

It is owned by the State Highway Agency.