US Bridges

Bluestem over Rock RD So Trib Gypsum C

Fair

Sedgwick County, Kansas · Bluestem at White Oak · Structure no. 530400870GCCH10

Built
1976
49 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
300
2006 count
Owner
City
City or Municipal Highway Agency

About this bridge

Bluestem over Rock RD So Trib Gypsum C is a concrete culvert carrying Bluestem over Rock RD So Trib Gypsum C in Sedgwick County, Kansas. It was built in 1976, so it is 49 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 5 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 300 vehicles a day, roughly 1% of them trucks, projected to reach 400 by 2039. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBluestem
CrossesRock RD So Trib Gypsum C
LocationBluestem at White Oak
RouteCity Street 0
StateKansas
Coordinates37.65891, -97.24306
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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length21 ft (6.3 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 traffic300 (2006)
Projected traffic400 by 2039
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Bluestem over Rock RD So Trib Gypsum C built?

It was built in 1976, making it 49 years old in 2025.

What condition is Bluestem over Rock RD So Trib Gypsum C 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 August 2023.

How much traffic does Bluestem over Rock RD So Trib Gypsum C carry?

About 300 vehicles per day (2006 count), of which roughly 1% are trucks.

How long is Bluestem over Rock RD So Trib Gypsum C?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).

Who owns Bluestem over Rock RD So Trib Gypsum C?

It is owned by the City or Municipal Highway Agency.