US Bridges

RD NB Antioch over US69 HWY

Good

Johnson County, Kansas · 2.47 MI S I435 · Structure no. 999906900462841

Built
1989
36 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
280 ft
4 main spans
Daily traffic
10,547
2023 count
Owner
State
State Highway Agency

About this bridge

RD NB Antioch over US69 HWY is a steel continuous stringer/multi-beam or girder carrying RD NB Antioch over US69 HWY in Johnson County, Kansas. It was built in 1989, so it is 36 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,547 vehicles a day, projected to reach 12,869 by 2044. The structure is 280 ft (85.3 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRD NB Antioch
CrossesUS69 HWY
Location2.47 MI S I435
RouteCity Street 2901
CountyJohnson County
StateKansas
Coordinates38.90528, -94.68611
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating78.7 US tons
Inventory rating47 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length280 ft (85.3 m)
Longest span84 ft (25.6 m)
Deck width41 ft (12.4 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,547 (2023)
Projected traffic12,869 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 RD NB Antioch over US69 HWY built?

It was built in 1989, making it 36 years old in 2025.

What condition is RD NB Antioch over US69 HWY in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does RD NB Antioch over US69 HWY carry?

About 10,547 vehicles per day (2023 count).

How long is RD NB Antioch over US69 HWY?

The structure is 280 ft (85.3 m) long with a longest span of 84 ft (25.6 m) and a deck 41 ft wide.

Who owns RD NB Antioch over US69 HWY?

It is owned by the State Highway Agency.