US Bridges

SW Twilight over Trib. Shunganunga Cr.

Fair

Shawnee County, Kansas · 291.69M Ese of SW Twiligh · Structure no. 527950890000K4C

Built
1977
48 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
2,780
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

SW Twilight over Trib. Shunganunga Cr. is a concrete culvert carrying SW Twilight 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 2,780 vehicles a day, roughly 1% of them trucks, projected to reach 3,292 by 2043. The structure is 31 ft (9.5 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSW Twilight
CrossesTrib. Shunganunga Cr.
Location291.69M Ese of SW Twiligh
RouteCity Street 0
CountyShawnee County
StateKansas
Coordinates39.00902, -95.72616
Functional classUrban Collector

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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating21.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length31 ft (9.5 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic2,780 (2019)
Projected traffic3,292 by 2043
Trucks1%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SW Twilight over Trib. Shunganunga Cr. built?

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

What condition is SW Twilight 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 Twilight over Trib. Shunganunga Cr. carry?

About 2,780 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is SW Twilight over Trib. Shunganunga Cr.?

The structure is 31 ft (9.5 m) long with a longest span of 10 ft (3 m).

Who owns SW Twilight over Trib. Shunganunga Cr.?

It is owned by the City or Municipal Highway Agency.