US Bridges

SW Gage over Shunganunga Cr.

Good

Shawnee County, Kansas · 293M N. of 29th & Gage. · Structure no. 427950895351J4A

Built
1986
39 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete Continuous
Length
122 ft
3 main spans
Daily traffic
17,410
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

SW Gage over Shunganunga Cr. is a concrete continuous slab carrying SW Gage over Shunganunga Cr. in Shawnee County, Kansas. It was built in 1986, so it is 39 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 17,410 vehicles a day, roughly 2% of them trucks, projected to reach 23,686 by 2043. The structure is 122 ft (37.3 m) long and 65 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSW Gage
CrossesShunganunga Cr.
Location293M N. of 29th & Gage.
RouteCity Street 5351
CountyShawnee County
StateKansas
Coordinates39.01744, -95.72501
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 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating101 US tons
Inventory rating60.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length122 ft (37.3 m)
Longest span48 ft (14.6 m)
Deck width65 ft (19.7 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic17,410 (2017)
Projected traffic23,686 by 2043
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 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 Gage over Shunganunga Cr. built?

It was built in 1986, making it 39 years old in 2025.

What condition is SW Gage 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 Gage over Shunganunga Cr. carry?

About 17,410 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is SW Gage over Shunganunga Cr.?

The structure is 122 ft (37.3 m) long with a longest span of 48 ft (14.6 m) and a deck 65 ft wide.

Who owns SW Gage over Shunganunga Cr.?

It is owned by the City or Municipal Highway Agency.