US Bridges

8S Road (rs 902) over Trib. to Prairie Dog Ck.

FairPosted for load

Decatur County, Kansas · 2.0N 0.4W of Jennings · Structure no. 000000000200320

Built
1930
95 years old
Condition
Fair
inspected October 2024
Type
Culvert
Masonry
Length
20 ft
1 main span
Daily traffic
40
2020 count
Owner
County
County Highway Agency

About this bridge

8S Road (rs 902) over Trib. to Prairie Dog Ck. is a masonry culvert carrying 8S Road (rs 902) over Trib. to Prairie Dog Ck. in Decatur County, Kansas. It was built in 1930, so it is 95 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 40 vehicles a day, projected to reach 60 by 2044. The structure is 20 ft (6.1 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries8S Road (rs 902)
CrossesTrib. to Prairie Dog Ck.
Location2.0N 0.4W of Jennings
RouteCounty Highway 902
CountyDecatur County
StateKansas
Coordinates39.71222, -100.29917
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.3 US tons
Inventory rating75.3 US tons

Structure

Structure typeCulvert
MaterialMasonry
DeckNot applicable
Main spans1
Design loadUnknown
Structure length20 ft (6.1 m)
Longest span20 ft (6 m)
Deck width26 ft (7.9 m)
Roadway width23 ft (7 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic40 (2020)
Projected traffic60 by 2044
Trucks0%
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 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 8S Road (rs 902) over Trib. to Prairie Dog Ck. built?

It was built in 1930, making it 95 years old in 2025.

What condition is 8S Road (rs 902) over Trib. to Prairie Dog Ck. 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 October 2024.

How much traffic does 8S Road (rs 902) over Trib. to Prairie Dog Ck. carry?

About 40 vehicles per day (2020 count).

How long is 8S Road (rs 902) over Trib. to Prairie Dog Ck.?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6 m) and a deck 26 ft wide.

Who owns 8S Road (rs 902) over Trib. to Prairie Dog Ck.?

It is owned by the County Highway Agency.