US Bridges

Old HWY 56 #66 over Cedar Creek

Good

Johnson County, Kansas · 3.3W of I-35 · Structure no. 000461085904567

Built
1985
40 years old, rebuilt 2010
Condition
Good
inspected May 2023
Type
Slab
Concrete Continuous
Length
162 ft
3 main spans
Daily traffic
8,975
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

Old HWY 56 #66 over Cedar Creek is a concrete continuous slab carrying Old HWY 56 #66 over Cedar Creek in Johnson County, Kansas. It was built in 1985 and reconstructed in 2010, so it is 40 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 8,975 vehicles a day, roughly 20% of them trucks, projected to reach 12,960 by 2043. The structure is 162 ft (49.5 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOld HWY 56 #66
CrossesCedar Creek
Location3.3W of I-35
RouteCity Street 0
StateKansas
Coordinates38.8592, -94.85424
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating80.9 US tons
Inventory rating48.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length162 ft (49.5 m)
Longest span64 ft (19.5 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic8,975 (2010)
Projected traffic12,960 by 2043
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Old HWY 56 #66 over Cedar Creek built?

It was built in 1985, making it 40 years old in 2025. It was reconstructed in 2010.

What condition is Old HWY 56 #66 over Cedar Creek 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 May 2023.

How much traffic does Old HWY 56 #66 over Cedar Creek carry?

About 8,975 vehicles per day (2010 count), of which roughly 20% are trucks.

How long is Old HWY 56 #66 over Cedar Creek?

The structure is 162 ft (49.5 m) long with a longest span of 64 ft (19.5 m) and a deck 46 ft wide.

Who owns Old HWY 56 #66 over Cedar Creek?

It is owned by the City or Municipal Highway Agency.