US Bridges

SE 120 S. over Blue Stem Creek

Fair

Kingman County, Kansas · 1.3N & 2.5E of Rago · Structure no. 000480743506480

Built
2000
25 years old
Condition
Fair
inspected January 2023
Type
Culvert
Concrete
Length
25 ft
3 main spans
Daily traffic
20
2021 count
Owner
County
County Highway Agency

About this bridge

SE 120 S. over Blue Stem Creek is a concrete culvert carrying SE 120 S. over Blue Stem Creek in Kingman County, Kansas. It was built in 2000, so it is 25 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 20 vehicles a day, roughly 5% of them trucks, projected to reach 30 by 2043. The structure is 25 ft (7.6 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSE 120 S.
CrossesBlue Stem Creek
Location1.3N & 2.5E of Rago
CountyKingman County
StateKansas
Coordinates37.47227, -98.03511
Functional classRural 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating27 US tons
Inventory rating20 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span8 ft (2.4 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic20 (2021)
Projected traffic30 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 SE 120 S. over Blue Stem Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is SE 120 S. over Blue Stem 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 January 2023.

How much traffic does SE 120 S. over Blue Stem Creek carry?

About 20 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is SE 120 S. over Blue Stem Creek?

The structure is 25 ft (7.6 m) long with a longest span of 8 ft (2.4 m) and a deck 28 ft wide.

Who owns SE 120 S. over Blue Stem Creek?

It is owned by the County Highway Agency.