US Bridges

SW Buchanan over Shunganunga Cr.

Good

Shawnee County, Kansas · 125 S. of SW21st & Bu · Structure no. 527950890000I8C

Built
1983
42 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete Continuous
Length
115 ft
3 main spans
Daily traffic
1,929
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

SW Buchanan over Shunganunga Cr. is a concrete continuous slab carrying SW Buchanan over Shunganunga Cr. in Shawnee County, Kansas. It was built in 1983, so it is 42 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 1,929 vehicles a day, roughly 2% of them trucks, projected to reach 2,401 by 2043. The structure is 115 ft (34.9 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesSW Buchanan
CrossesShunganunga Cr.
Location125 S. of SW21st & Bu
RouteCity Street 0
CountyShawnee County
StateKansas
Coordinates39.02899, -95.69281
Functional classUrban Local

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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating54.3 US tons
Inventory rating32.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length115 ft (34.9 m)
Longest span48 ft (14.6 m)
Deck width44 ft (13.3 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic1,929 (2019)
Projected traffic2,401 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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 SW Buchanan over Shunganunga Cr. built?

It was built in 1983, making it 42 years old in 2025.

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

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

About 1,929 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is SW Buchanan over Shunganunga Cr.?

The structure is 115 ft (34.9 m) long with a longest span of 48 ft (14.6 m) and a deck 44 ft wide.

Who owns SW Buchanan over Shunganunga Cr.?

It is owned by the City or Municipal Highway Agency.