US Bridges

P-7.8 105 over Devils Creek

FairPosted for load

Washington County, Kansas · 1.9W 5.8N of Washington · Structure no. 001010847003128

Built
1920
105 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
40 ft
2 main spans
Daily traffic
20
2014 count
Owner
County
County Highway Agency

About this bridge

P-7.8 105 over Devils Creek is a steel continuous stringer/multi-beam or girder carrying P-7.8 105 over Devils Creek in Washington County, Kansas. It was built in 1920, so it is 105 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 5 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 20 vehicles a day, projected to reach 25 by 2043. The structure is 40 ft (12.2 m) long and 16 ft wide. If it were closed, the detour would be 198.8 mi (320 km).

Location

Open in Google Maps
CarriesP-7.8 105
CrossesDevils Creek
Location1.9W 5.8N of Washington
RouteCounty Highway 0
CountyWashington County
StateKansas
Coordinates39.90426, -97.08759
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating22.6 US tons
Inventory rating16.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckWood or timber
Main spans2
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span20 ft (6.2 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic20 (2014)
Projected traffic25 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed198.8 mi (320 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was P-7.8 105 over Devils Creek built?

It was built in 1920, making it 105 years old in 2025.

What condition is P-7.8 105 over Devils 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 March 2023.

How much traffic does P-7.8 105 over Devils Creek carry?

About 20 vehicles per day (2014 count).

How long is P-7.8 105 over Devils Creek?

The structure is 40 ft (12.2 m) long with a longest span of 20 ft (6.2 m) and a deck 16 ft wide.

Who owns P-7.8 105 over Devils Creek?

It is owned by the County Highway Agency.