US Bridges

Rs 1098 9-M.2 over Riddle Creek

Fair

Washington County, Kansas · 3.0N 1.7E of Morrowville · Structure no. 000000001010480

Built
1971
54 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
45
2014 count
Owner
County
County Highway Agency

About this bridge

Rs 1098 9-M.2 over Riddle Creek is a steel stringer/multi-beam or girder carrying Rs 1098 9-M.2 over Riddle Creek in Washington County, Kansas. It was built in 1971, so it is 54 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.

It carries about 45 vehicles a day, projected to reach 54 by 2043. The structure is 41 ft (12.5 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRs 1098 9-M.2
CrossesRiddle Creek
Location3.0N 1.7E of Morrowville
RouteCounty Highway 1098
CountyWashington County
StateKansas
Coordinates39.88632, -97.13992
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
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 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 rating49.2 US tons
Inventory rating29.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length41 ft (12.5 m)
Longest span39 ft (11.8 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic45 (2014)
Projected traffic54 by 2043
Trucks0%
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 Rs 1098 9-M.2 over Riddle Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is Rs 1098 9-M.2 over Riddle 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 April 2023.

How much traffic does Rs 1098 9-M.2 over Riddle Creek carry?

About 45 vehicles per day (2014 count).

How long is Rs 1098 9-M.2 over Riddle Creek?

The structure is 41 ft (12.5 m) long with a longest span of 39 ft (11.8 m) and a deck 20 ft wide.

Who owns Rs 1098 9-M.2 over Riddle Creek?

It is owned by the County Highway Agency.