US Bridges

Swnb Drive over Armour Branch Gypsum CR

Fair

Sedgwick County, Kansas · Willowbrook at Armour · Structure no. 530400870GCA940

Built
1975
50 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
23 ft
3 main spans
Daily traffic
3,200
2006 count
Owner
City
City or Municipal Highway Agency

About this bridge

Swnb Drive over Armour Branch Gypsum CR is a concrete culvert carrying Swnb Drive over Armour Branch Gypsum CR in Sedgwick County, Kansas. It was built in 1975, so it is 50 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 3,200 vehicles a day, roughly 4% of them trucks, projected to reach 4,500 by 2039. The structure is 23 ft (6.9 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSwnb Drive
CrossesArmour Branch Gypsum CR
LocationWillowbrook at Armour
RouteCity Street 0
StateKansas
Coordinates37.68468, -97.25205
Functional classUrban Local

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.3 US tons
Inventory rating33.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length23 ft (6.9 m)
Longest span7 ft (2.1 m)
Deck width47 ft (14.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic3,200 (2006)
Projected traffic4,500 by 2039
Trucks4%
Lanes on structure2
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 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 Swnb Drive over Armour Branch Gypsum CR built?

It was built in 1975, making it 50 years old in 2025.

What condition is Swnb Drive over Armour Branch Gypsum 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 September 2023.

How much traffic does Swnb Drive over Armour Branch Gypsum CR carry?

About 3,200 vehicles per day (2006 count), of which roughly 4% are trucks.

How long is Swnb Drive over Armour Branch Gypsum CR?

The structure is 23 ft (6.9 m) long with a longest span of 7 ft (2.1 m) and a deck 47 ft wide.

Who owns Swnb Drive over Armour Branch Gypsum CR?

It is owned by the City or Municipal Highway Agency.