US Bridges

NW 30 ST over Bear Creek

FairPosted for load

Stafford County, Kansas · 4.6W of St. John · Structure no. 000000000930110

Built
1955
70 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
360
2021 count
Owner
County
County Highway Agency

About this bridge

NW 30 ST over Bear Creek is a concrete culvert carrying NW 30 ST over Bear Creek in Stafford County, Kansas. It was built in 1955, so it is 70 years old, older 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. Its operating status is: posted for load restriction.

It carries about 360 vehicles a day, roughly 10% of them trucks, projected to reach 430 by 2044. The structure is 31 ft (9.6 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNW 30 ST
CrossesBear Creek
Location4.6W of St. John
RouteCounty Highway 634
CountyStafford County
StateKansas
Coordinates38.00016, -98.85872
Functional classRural Major 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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating45.9 US tons
Inventory rating27.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length31 ft (9.6 m)
Longest span10 ft (2.9 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic360 (2021)
Projected traffic430 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NW 30 ST over Bear Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is NW 30 ST over Bear Creek 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 November 2024.

How much traffic does NW 30 ST over Bear Creek carry?

About 360 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is NW 30 ST over Bear Creek?

The structure is 31 ft (9.6 m) long with a longest span of 10 ft (2.9 m) and a deck 30 ft wide.

Who owns NW 30 ST over Bear Creek?

It is owned by the County Highway Agency.