US Bridges

SW Washburn over Shunganunga Cr.

Fair

Shawnee County, Kansas · 200.25M N. of 27th & Wash · Structure no. 427950895391I7A

Built
1957
68 years old, rebuilt 1980
Condition
Fair
inspected October 2023
Type
Slab
Concrete Continuous
Length
133 ft
3 main spans
Daily traffic
15,715
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

SW Washburn over Shunganunga Cr. is a concrete continuous slab carrying SW Washburn over Shunganunga Cr. in Shawnee County, Kansas. It was built in 1957 and reconstructed in 1980, so it is 68 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 15,715 vehicles a day, roughly 1% of them trucks, projected to reach 19,588 by 2043. The structure is 133 ft (40.5 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSW Washburn
CrossesShunganunga Cr.
Location200.25M N. of 27th & Wash
RouteCity Street 5391
CountyShawnee County
StateKansas
Coordinates39.02432, -95.69691
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.9 US tons
Inventory rating34.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length133 ft (40.5 m)
Longest span52 ft (15.8 m)
Deck width59 ft (18 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic15,715 (2017)
Projected traffic19,588 by 2043
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SW Washburn over Shunganunga Cr. built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1980.

What condition is SW Washburn over Shunganunga Cr. 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 October 2023.

How much traffic does SW Washburn over Shunganunga Cr. carry?

About 15,715 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is SW Washburn over Shunganunga Cr.?

The structure is 133 ft (40.5 m) long with a longest span of 52 ft (15.8 m) and a deck 59 ft wide.

Who owns SW Washburn over Shunganunga Cr.?

It is owned by the City or Municipal Highway Agency.