US Bridges

250 Rd. over Silver Creek

Good

Marion County, Kansas · 5.3N of Hillsboro · Structure no. 000570835005160

Built
2006
19 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
45 ft
1 main span
Daily traffic
40
2020 count
Owner
County
County Highway Agency

About this bridge

250 Rd. over Silver Creek is a steel stringer/multi-beam or girder carrying 250 Rd. over Silver Creek in Marion County, Kansas. It was built in 2006, so it is 19 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 40 vehicles a day, roughly 5% of them trucks, projected to reach 40 by 2044. The structure is 45 ft (13.7 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries250 Rd.
CrossesSilver Creek
Location5.3N of Hillsboro
RouteCounty Highway 0
StateKansas
Coordinates38.435, -97.20614
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating50.5 US tons
Inventory rating30.2 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span44 ft (13.4 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic40 (2020)
Projected traffic40 by 2044
Trucks5%
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 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 250 Rd. over Silver Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is 250 Rd. over Silver Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does 250 Rd. over Silver Creek carry?

About 40 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is 250 Rd. over Silver Creek?

The structure is 45 ft (13.7 m) long with a longest span of 44 ft (13.4 m) and a deck 28 ft wide.

Who owns 250 Rd. over Silver Creek?

It is owned by the County Highway Agency.