US Bridges

US69 HWY SB over Blue River

Good

Johnson County, Kansas · 5.13 MI N Miami Coln SB · Structure no. 999906900460981

Built
1966
59 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
246 ft
3 main spans
Daily traffic
14,313
2023 count
Owner
State
State Highway Agency

About this bridge

US69 HWY SB over Blue River is a concrete continuous box beam or girders - multiple carrying US69 HWY SB over Blue River in Johnson County, Kansas. It was built in 1966, so it is 59 years old, older 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 14,313 vehicles a day, roughly 8% of them trucks, projected to reach 21,268 by 2044. The structure is 246 ft (75 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS69 HWY SB
CrossesBlue River
Location5.13 MI N Miami Coln SB
RouteU.S. Route 69
StateKansas
Coordinates38.81222, -94.67556
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.1 US tons
Inventory rating50.4 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length246 ft (75 m)
Longest span97 ft (29.6 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,313 (2023)
Projected traffic21,268 by 2044
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 US69 HWY SB over Blue River built?

It was built in 1966, making it 59 years old in 2025.

What condition is US69 HWY SB over Blue River 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 US69 HWY SB over Blue River carry?

About 14,313 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is US69 HWY SB over Blue River?

The structure is 246 ft (75 m) long with a longest span of 97 ft (29.6 m) and a deck 42 ft wide.

Who owns US69 HWY SB over Blue River?

It is owned by the State Highway Agency.