US Bridges

Oliver over Gypsum Creek Trib.

Poor

Sedgwick County, Kansas · Oliver at Bunker Hill · Structure no. 430400876525010

Built
1964
61 years old, rebuilt 1991
Condition
Poor
inspected September 2023
Type
Culvert
Concrete
Length
25 ft
4 main spans
Daily traffic
10,200
2006 count
Owner
City
City or Municipal Highway Agency

About this bridge

Oliver over Gypsum Creek Trib. is a concrete culvert carrying Oliver over Gypsum Creek Trib. in Sedgwick County, Kansas. It was built in 1964 and reconstructed in 1991, so it is 61 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 10,200 vehicles a day, roughly 4% of them trucks, projected to reach 13,500 by 2039. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesOliver
CrossesGypsum Creek Trib.
LocationOliver at Bunker Hill
RouteCity Street 6525
StateKansas
Coordinates37.64226, -97.28047
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadH 20
Structure length25 ft (7.6 m)
Longest span5 ft (1.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic10,200 (2006)
Projected traffic13,500 by 2039
Trucks4%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 Oliver over Gypsum Creek Trib. built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1991.

What condition is Oliver over Gypsum Creek Trib. in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2023.

How much traffic does Oliver over Gypsum Creek Trib. carry?

About 10,200 vehicles per day (2006 count), of which roughly 4% are trucks.

How long is Oliver over Gypsum Creek Trib.?

The structure is 25 ft (7.6 m) long with a longest span of 5 ft (1.4 m).

Who owns Oliver over Gypsum Creek Trib.?

It is owned by the City or Municipal Highway Agency.