US Bridges

SW 29th over Trib. Shunganunga Cr.

Fair

Shawnee County, Kansas · 108.81M E. of 29th & Gage · Structure no. 427950895450K5A

Built
1977
48 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
14,640
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

SW 29th over Trib. Shunganunga Cr. is a concrete culvert carrying SW 29th over Trib. Shunganunga Cr. in Shawnee County, Kansas. It was built in 1977, so it is 48 years old, younger 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 14,640 vehicles a day, roughly 2% of them trucks, projected to reach 25,498 by 2043. The structure is 21 ft (6.5 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSW 29th
CrossesTrib. Shunganunga Cr.
Location108.81M E. of 29th & Gage
RouteCity Street 5450
CountyShawnee County
StateKansas
Coordinates39.01474, -95.72471
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating85.3 US tons
Inventory rating51.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length21 ft (6.5 m)
Longest span10 ft (3.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic14,640 (2017)
Projected traffic25,498 by 2043
Trucks2%
Lanes on structure5
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 proposedNone recorded
Estimated improvement cost$1,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SW 29th over Trib. Shunganunga Cr. built?

It was built in 1977, making it 48 years old in 2025.

What condition is SW 29th over Trib. 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 29th over Trib. Shunganunga Cr. carry?

About 14,640 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is SW 29th over Trib. Shunganunga Cr.?

The structure is 21 ft (6.5 m) long with a longest span of 10 ft (3.1 m).

Who owns SW 29th over Trib. Shunganunga Cr.?

It is owned by the City or Municipal Highway Agency.